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431455252335055 = 51313275002089761
BaseRepresentation
bin110001000011010000000000…
…1000011010100100111001111
32002120122201102100222002220121
41202012200001003110213033
5423022430324044210210
64125343450122125411
7156610420236150544
oct14206400103244717
92076581370862817
10431455252335055
11115525165a23063
1240482b03050867
1315699095541940
14787878d318bcb
1534d321baa96da
hex18868010d49cf

431455252335055 has 16 divisors (see below), whose sum is σ = 557993117130624. Its totient is φ = 318373009044480.

The previous prime is 431455252335049. The next prime is 431455252335109. The reversal of 431455252335055 is 550533252554134.

It is a de Polignac number, because none of the positive numbers 2k-431455252335055 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431455252334993 and 431455252335011.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2500958626 + ... + 2501131135.

It is an arithmetic number, because the mean of its divisors is an integer number (34874569820664).

Almost surely, 2431455252335055 is an apocalyptic number.

431455252335055 is a deficient number, since it is larger than the sum of its proper divisors (126537864795569).

431455252335055 is a wasteful number, since it uses less digits than its factorization.

431455252335055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002091106.

The product of its (nonzero) digits is 27000000, while the sum is 52.

The spelling of 431455252335055 in words is "four hundred thirty-one trillion, four hundred fifty-five billion, two hundred fifty-two million, three hundred thirty-five thousand, fifty-five".

Divisors: 1 5 13 65 1327 6635 17251 86255 5002089761 25010448805 65027166893 325135834465 6637773112847 33188865564235 86291050467011 431455252335055