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431121014442 = 232591913212207
BaseRepresentation
bin1100100011000001101…
…00001001111010101010
31112012210120020201002100
412101200310021322222
524030413434430232
6530015415314230
743101403105356
oct6214064117252
91465716221070
10431121014442
11156923634148
126b67967b976
13318680311a1
1416c1b45a466
15b333b59c7c
hex6460d09eaa

431121014442 has 48 divisors (see below), whose sum is σ = 950428702080. Its totient is φ = 141196779456.

The previous prime is 431121014431. The next prime is 431121014447. The reversal of 431121014442 is 244410121134.

431121014442 is a `hidden beast` number, since 4 + 3 + 1 + 1 + 210 + 1 + 4 + 442 = 666.

It is not an unprimeable number, because it can be changed into a prime (431121014447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1925503 + ... + 2137709.

It is an arithmetic number, because the mean of its divisors is an integer number (19800597960).

Almost surely, 2431121014442 is an apocalyptic number.

431121014442 is an abundant number, since it is smaller than the sum of its proper divisors (519307687638).

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

431121014442 is a wasteful number, since it uses less digits than its factorization.

431121014442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214187 (or 214184 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 431121014442 its reverse (244410121134), we get a palindrome (675531135576).

The spelling of 431121014442 in words is "four hundred thirty-one billion, one hundred twenty-one million, fourteen thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 59 118 177 354 531 1062 1913 3826 5739 11478 17217 34434 112867 212207 225734 338601 424414 636621 677202 1015803 1273242 1909863 2031606 3819726 12520213 25040426 37560639 75121278 112681917 225363834 405951991 811903982 1217855973 2435711946 3653567919 7307135838 23951167469 47902334938 71853502407 143707004814 215560507221 431121014442