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123113200100 = 2252111091026799
BaseRepresentation
bin111001010101000011…
…1100101100111100100
3102202202222012120011212
41302222013211213210
54004113434400400
6132320223050552
711615600635352
oct1625207454744
9382688176155
10123113200100
1148237212470
121ba3a440a58
13b7c01846c7
145d5c9b87d2
15330845a335
hex1caa1e59e4

123113200100 has 72 divisors (see below), whose sum is σ = 294116592000. Its totient is φ = 44357673600.

The previous prime is 123113200079. The next prime is 123113200117. The reversal of 123113200100 is 1002311321.

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, 393500 + ... + 633299.

Almost surely, 2123113200100 is an apocalyptic number.

123113200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123113200100 is an abundant number, since it is smaller than the sum of its proper divisors (171003391900).

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

123113200100 is a wasteful number, since it uses less digits than its factorization.

123113200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026933 (or 1026926 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 123113200100 its reverse (1002311321), we get a palindrome (124115511421).

The spelling of 123113200100 in words is "one hundred twenty-three billion, one hundred thirteen million, two hundred thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 109 110 218 220 275 436 545 550 1090 1100 1199 2180 2398 2725 4796 5450 5995 10900 11990 23980 29975 59950 119900 1026799 2053598 4107196 5133995 10267990 11294789 20535980 22589578 25669975 45179156 51339950 56473945 102679900 111921091 112947890 223842182 225895780 282369725 447684364 559605455 564739450 1119210910 1129478900 1231132001 2238421820 2462264002 2798027275 4924528004 5596054550 6155660005 11192109100 12311320010 24622640020 30778300025 61556600050 123113200100