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431400411630642 = 23460315620262569
BaseRepresentation
bin110001000010110110011110…
…0010010101000110000110010
32002120110110212102111200012010
41202011230330102220300302
5423021031020334140032
64125302340235343350
7156603436234644126
oct14205547422506062
92076413772450163
10431400411630642
11115503983864153
1240474358bb1b56
1315693b6594829c
147875c69b51586
1534d1aac276ccc
hex1885b3c4a8c32

431400411630642 has 16 divisors (see below), whose sum is σ = 862988266467360. Its totient is φ = 143768896675872.

The previous prime is 431400411630637. The next prime is 431400411630733. The reversal of 431400411630642 is 246036114004134.

It is a super-2 number, since 2×4314004116306422 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431400411630642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7810103667 + ... + 7810158902.

It is an arithmetic number, because the mean of its divisors is an integer number (53936766654210).

Almost surely, 2431400411630642 is an apocalyptic number.

431400411630642 is an abundant number, since it is smaller than the sum of its proper divisors (431587854836718).

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

431400411630642 is a wasteful number, since it uses less digits than its factorization.

431400411630642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15620267177.

The product of its (nonzero) digits is 165888, while the sum is 39.

Adding to 431400411630642 its reverse (246036114004134), we get a palindrome (677436525634776).

The spelling of 431400411630642 in words is "four hundred thirty-one trillion, four hundred billion, four hundred eleven million, six hundred thirty thousand, six hundred forty-two".

Divisors: 1 2 3 6 4603 9206 13809 27618 15620262569 31240525138 46860787707 93721575414 71900068605107 143800137210214 215700205815321 431400411630642