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2257912456669 = 31587124081577
BaseRepresentation
bin100000110110110110000…
…100011110010111011101
321222212001210122011010001
4200312312010132113131
5243443201042103134
64445134244014301
7322062114133432
oct40666604362735
97885053564101
102257912456669
117a0636799921
12305722391391
13134bc699468c
147b3d809bb89
153db0079d414
hex20db611e5dd

2257912456669 has 8 divisors (see below), whose sum is σ = 2334718971648. Its totient is φ = 2181354106080.

The previous prime is 2257912456633. The next prime is 2257912456703. The reversal of 2257912456669 is 9666542197522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2257912456669 - 241 = 58889201117 is a prime.

It is a super-2 number, since 2×22579124566692 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2257912456669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257912456609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62022592 + ... + 62058985.

It is an arithmetic number, because the mean of its divisors is an integer number (291839871456).

Almost surely, 22257912456669 is an apocalyptic number.

It is an amenable number.

2257912456669 is a deficient number, since it is larger than the sum of its proper divisors (76806514979).

2257912456669 is a wasteful number, since it uses less digits than its factorization.

2257912456669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124082195.

The product of its digits is 97977600, while the sum is 64.

The spelling of 2257912456669 in words is "two trillion, two hundred fifty-seven billion, nine hundred twelve million, four hundred fifty-six thousand, six hundred sixty-nine".

Divisors: 1 31 587 18197 124081577 3846528887 72835885699 2257912456669