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253445545031252 = 22753170785407703
BaseRepresentation
bin111001101000000111100011…
…101011100111011001010100
31020020101011020210122021112112
4321220013203223213121110
5231204422434012000002
62255011135342410152
7104245556605420520
oct7150074353473124
91206334223567475
10253445545031252
1173834719949602
1224513540290958
13ab55a73951c02
144682b890b0d80
151e47a7853a852
hexe681e3ae7654

253445545031252 has 24 divisors (see below), whose sum is σ = 516455072896896. Its totient is φ = 106570094406048.

The previous prime is 253445545031219. The next prime is 253445545031269. The reversal of 253445545031252 is 252130545544352.

It is a super-3 number, since 3×2534455450312523 (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253445545031252.

It is a congruent number.

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, 85392702368 + ... + 85392705335.

It is an arithmetic number, because the mean of its divisors is an integer number (21518961370704).

Almost surely, 2253445545031252 is an apocalyptic number.

It is an amenable number.

253445545031252 is an abundant number, since it is smaller than the sum of its proper divisors (263009527865644).

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

253445545031252 is a wasteful number, since it uses less digits than its factorization.

253445545031252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170785407767 (or 170785407765 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 50.

The spelling of 253445545031252 in words is "two hundred fifty-three trillion, four hundred forty-five billion, five hundred forty-five million, thirty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 1484 170785407703 341570815406 683141630812 1195497853921 2390995707842 4781991415684 9051626608259 18103253216518 36206506433036 63361386257813 126722772515626 253445545031252