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457687478680 = 23511442186967
BaseRepresentation
bin1101010100100000100…
…11001011000110011000
31121202101000201220212021
412222100103023012120
524444320443304210
6550131515024224
745031631244025
oct6522023130630
91552330656767
10457687478680
11167116716a13
127485273b074
133420cc5b003
141821b88854c
15bd8b104bda
hex6a904cb198

457687478680 has 16 divisors (see below), whose sum is σ = 1029796827120. Its totient is φ = 183074991456.

The previous prime is 457687478653. The next prime is 457687478683. The reversal of 457687478680 is 86874786754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457687478683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5721093444 + ... + 5721093523.

It is an arithmetic number, because the mean of its divisors is an integer number (64362301695).

Almost surely, 2457687478680 is an apocalyptic number.

457687478680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

457687478680 is an abundant number, since it is smaller than the sum of its proper divisors (572109348440).

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

457687478680 is a wasteful number, since it uses less digits than its factorization.

457687478680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11442186978 (or 11442186974 counting only the distinct ones).

The product of its (nonzero) digits is 505774080, while the sum is 70.

The spelling of 457687478680 in words is "four hundred fifty-seven billion, six hundred eighty-seven million, four hundred seventy-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 11442186967 22884373934 45768747868 57210934835 91537495736 114421869670 228843739340 457687478680