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13144512700 = 225211371272543
BaseRepresentation
bin11000011110111100…
…10101100010111100
31020221001201102121201
430033132111202330
5203404443401300
610012152305244
7643506341314
oct141736254274
936831642551
1013144512700
115635809a40
12266a0a2224
1313162cc087
148c9a26444
1551de9a66a
hex30f7958bc

13144512700 has 144 divisors (see below), whose sum is σ = 32221937664. Its totient is φ = 4612204800.

The previous prime is 13144512649. The next prime is 13144512707. The reversal of 13144512700 is 721544131.

It is a super-2 number, since 2×131445127002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144512707) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 5167629 + ... + 5170171.

It is an arithmetic number, because the mean of its divisors is an integer number (223763456).

Almost surely, 213144512700 is an apocalyptic number.

13144512700 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 13144512700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16110968832).

13144512700 is an abundant number, since it is smaller than the sum of its proper divisors (19077424964).

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

13144512700 is a wasteful number, since it uses less digits than its factorization.

13144512700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732 (or 2725 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 13144512700 in words is "thirteen billion, one hundred forty-four million, five hundred twelve thousand, seven hundred".

Divisors: 1 2 4 5 10 11 20 22 25 37 44 50 55 74 100 110 127 148 185 220 254 275 370 407 508 550 635 740 814 925 1100 1270 1397 1628 1850 2035 2540 2543 2794 3175 3700 4070 4699 5086 5588 6350 6985 8140 9398 10172 10175 12700 12715 13970 18796 20350 23495 25430 27940 27973 34925 40700 46990 50860 51689 55946 63575 69850 93980 94091 103378 111892 117475 127150 139700 139865 188182 206756 234950 254300 258445 279730 322961 376364 469900 470455 516890 559460 645922 699325 940910 1033780 1035001 1291844 1292225 1398650 1614805 1881820 2070002 2352275 2584450 2797300 3229610 3552571 4140004 4704550 5168900 5175005 6459220 7105142 8074025 9409100 10350010 11949557 14210284 16148050 17762855 20700020 23899114 25875025 32296100 35525710 47798228 51750050 59747785 71051420 88814275 103500100 119495570 131445127 177628550 238991140 262890254 298738925 355257100 525780508 597477850 657225635 1194955700 1314451270 2628902540 3286128175 6572256350 13144512700