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253415450043431 = 13213126539431311
BaseRepresentation
bin111001100111101011100001…
…111000010110010000100111
31020020021021120102121111100222
4321213223201320112100213
5231203424320202342211
62254545241154354555
7104243443043303324
oct7147534170262047
91206237512544328
10253415450043431
1173822986027845
122450974158ba5b
13ab52c889ac800
1446815321bbb4b
151e46db63ec1db
hexe67ae1e16427

253415450043431 has 24 divisors (see below), whose sum is σ = 276514226714880. Its totient is φ = 232127004938400.

The previous prime is 253415450043421. The next prime is 253415450043521. The reversal of 253415450043431 is 134340054514352.

It is not a de Polignac number, because 253415450043431 - 230 = 253414376301607 is a prime.

It is a super-2 number, since 2×2534154500434312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253415450043401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 587331266 + ... + 587762576.

It is an arithmetic number, because the mean of its divisors is an integer number (11521426113120).

Almost surely, 2253415450043431 is an apocalyptic number.

253415450043431 is a deficient number, since it is larger than the sum of its proper divisors (23098776671449).

253415450043431 is a wasteful number, since it uses less digits than its factorization.

253415450043431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458007 (or 457994 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 253415450043431 in words is "two hundred fifty-three trillion, four hundred fifteen billion, four hundred fifty million, forty-three thousand, four hundred thirty-one".

Divisors: 1 13 131 169 1703 22139 26539 345007 431311 3476609 4485091 5607043 45195917 56501741 72891559 587546921 734522633 9548794229 11446562629 148805314177 1499499704399 1934469084301 19493496157187 253415450043431