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431121135112 = 236131112792221
BaseRepresentation
bin1100100011000001101…
…00100111011000001000
31112012210120110211121121
412101200310213120020
524030414002310422
6530015422045024
743101404120233
oct6214064473010
91465716424547
10431121135112
11156923706878
126b679719774
13318680740a5
1416c1b48c41a
15b333b808c7
hex6460d27608

431121135112 has 64 divisors (see below), whose sum is σ = 825261465600. Its totient is φ = 211084704000.

The previous prime is 431121135047. The next prime is 431121135119. The reversal of 431121135112 is 211531121134.

It is not an unprimeable number, because it can be changed into a prime (431121135119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194110162 + ... + 194112382.

It is an arithmetic number, because the mean of its divisors is an integer number (12894710400).

Almost surely, 2431121135112 is an apocalyptic number.

It is an amenable number.

431121135112 is a deficient number, since it is larger than the sum of its proper divisors (394140330488).

431121135112 is a wasteful number, since it uses less digits than its factorization.

431121135112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878 (or 3874 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

Adding to 431121135112 its reverse (211531121134), we get a palindrome (642652256246).

The spelling of 431121135112 in words is "four hundred thirty-one billion, one hundred twenty-one million, one hundred thirty-five thousand, one hundred twelve".

Divisors: 1 2 4 8 61 122 244 311 488 622 1244 1279 2221 2488 2558 4442 5116 8884 10232 17768 18971 37942 75884 78019 135481 151768 156038 270962 312076 397769 541924 624152 690731 795538 1083848 1381462 1591076 2762924 2840659 3182152 5525848 5681318 11362636 22725272 24263909 42134591 48527818 84269182 97055636 168538364 173280199 194111272 337076728 346560398 693120796 883444949 1386241592 1766889898 3533779796 7067559592 53890141889 107780283778 215560567556 431121135112