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12424242418900 = 22521341325771569
BaseRepresentation
bin1011010011001011111010…
…0011100101010011010100
31121222202010211000221200221
42310302332203211103110
53112024322024401100
642231341305244124
72421423211042444
oct264627643452324
947882124027627
1012424242418900
113a60100a45344
121487a99793644
136c17a76140a0
1430d49d682124
151682b2c4301a
hexb4cbe8e54d4

12424242418900 has 144 divisors (see below), whose sum is σ = 29752204955760. Its totient is φ = 4474087833600.

The previous prime is 12424242418883. The next prime is 12424242418919. The reversal of 12424242418900 is 981424242421.

It can be written as a sum of positive squares in 24 ways, for example, as 9358227410884 + 3066015008016 = 3059122^2 + 1751004^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173562316 + ... + 173633884.

It is an arithmetic number, because the mean of its divisors is an integer number (206612534415).

Almost surely, 212424242418900 is an apocalyptic number.

12424242418900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12424242418900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14876102477880).

12424242418900 is an abundant number, since it is smaller than the sum of its proper divisors (17327962536860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12424242418900 is a wasteful number, since it uses less digits than its factorization.

12424242418900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74894 (or 74887 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 43.

The spelling of 12424242418900 in words is "twelve trillion, four hundred twenty-four billion, two hundred forty-two million, four hundred eighteen thousand, nine hundred".

Divisors: 1 2 4 5 10 13 20 25 26 41 50 52 65 82 100 130 164 205 260 325 410 533 650 820 1025 1066 1300 2050 2132 2665 3257 4100 5330 6514 10660 13028 13325 16285 26650 32570 42341 53300 65140 71569 81425 84682 133537 143138 162850 169364 211705 267074 286276 325700 357845 423410 534148 667685 715690 846820 930397 1058525 1335370 1431380 1735981 1789225 1860794 2117050 2670740 2934329 3338425 3471962 3578450 3721588 4234100 4651985 5868658 6676850 6943924 7156900 8679905 9303970 11737316 13353700 14671645 17359810 18607940 23259925 29343290 34719620 38146277 43399525 46519850 58686580 73358225 76292554 86799050 93039700 146716450 152585108 173598100 190731385 233100233 293432900 381462770 466200466 762925540 932400932 953656925 1165501165 1907313850 2331002330 3030303029 3814627700 4662004660 5827505825 6060606058 9557109553 11655011650 12121212116 15151515145 19114219106 23310023300 30303030290 38228438212 47785547765 60606060580 75757575725 95571095530 124242424189 151515151450 191142191060 238927738825 248484848378 303030302900 477855477650 496969696756 621212120945 955710955300 1242424241890 2484848483780 3106060604725 6212121209450 12424242418900