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201420124400 = 245211103944059
BaseRepresentation
bin1011101110010110010…
…0110011000011110000
3201020220022111110221102
42323211210303003300
511300002022440100
6232310420143532
720360243544245
oct2734544630360
9636808443842
10201420124400
1178470455730
1233053237ba8
1315cbc5c5881
149a6a9515cc
15538ce91cd5
hex2ee59330f0

201420124400 has 120 divisors (see below), whose sum is σ = 528423916800. Its totient is φ = 73171526400.

The previous prime is 201420124393. The next prime is 201420124517. The reversal of 201420124400 is 4421024102.

201420124400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2014201244002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4549571 + ... + 4593629.

It is an arithmetic number, because the mean of its divisors is an integer number (4403532640).

Almost surely, 2201420124400 is an apocalyptic number.

201420124400 is a gapful number since it is divisible by the number (20) 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 201420124400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264211958400).

201420124400 is an abundant number, since it is smaller than the sum of its proper divisors (327003792400).

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

201420124400 is a wasteful number, since it uses less digits than its factorization.

201420124400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45127 (or 45116 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 201420124400 its reverse (4421024102), we get a palindrome (205841148502).

The spelling of 201420124400 in words is "two hundred one billion, four hundred twenty million, one hundred twenty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 176 200 220 275 400 440 550 880 1039 1100 2078 2200 4156 4400 5195 8312 10390 11429 16624 20780 22858 25975 41560 44059 45716 51950 57145 83120 88118 91432 103900 114290 176236 182864 207800 220295 228580 285725 352472 415600 440590 457160 484649 571450 704944 881180 914320 969298 1101475 1142900 1762360 1938596 2202950 2285800 2423245 3524720 3877192 4405900 4571600 4846490 7754384 8811800 9692980 12116225 17623600 19385960 24232450 38771920 45777301 48464900 91554602 96929800 183109204 193859600 228886505 366218408 457773010 503550311 732436816 915546020 1007100622 1144432525 1831092040 2014201244 2288865050 2517751555 3662184080 4028402488 4577730100 5035503110 8056804976 9155460200 10071006220 12588757775 18310920400 20142012440 25177515550 40284024880 50355031100 100710062200 201420124400