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457143056928 = 25329857161033
BaseRepresentation
bin1101010011011111101…
…10010111101000100000
31121200222002022102121200
412221233312113220200
524442212110310203
6550001510121200
745012300604425
oct6515766275040
91550862272550
10457143056928
11166967379888
1274720350200
133415422186c
14181a944bd4c
15bd584149a3
hex6a6fd97a20

457143056928 has 72 divisors (see below), whose sum is σ = 1300140527868. Its totient is φ = 152364613632.

The previous prime is 457143056917. The next prime is 457143056933. The reversal of 457143056928 is 829650341754.

It is a happy number.

457143056928 is a `hidden beast` number, since 4 + 5 + 71 + 4 + 3 + 0 + 569 + 2 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 455932851984 + 1210204944 = 675228^2 + 34788^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2758300 + ... + 2919332.

It is a 1-persistent number, because it is pandigital, but 2⋅457143056928 = 914286113856 is not.

Almost surely, 2457143056928 is an apocalyptic number.

457143056928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

457143056928 is an abundant number, since it is smaller than the sum of its proper divisors (842997470940).

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

457143056928 is a wasteful number, since it uses less digits than its factorization.

457143056928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170906 (or 170895 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 457143056928 in words is "four hundred fifty-seven billion, one hundred forty-three million, fifty-six thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 9857 19714 29571 39428 59142 78856 88713 118284 157712 161033 177426 236568 315424 322066 354852 473136 483099 644132 709704 946272 966198 1288264 1419408 1449297 1932396 2576528 2838816 2898594 3864792 5153056 5797188 7729584 11594376 15459168 23188752 46377504 1587302281 3174604562 4761906843 6349209124 9523813686 12698418248 14285720529 19047627372 25396836496 28571441058 38095254744 50793672992 57142882116 76190509488 114285764232 152381018976 228571528464 457143056928