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4257647012 = 2231613891447
BaseRepresentation
bin1111110111000110…
…1000100110100100
3101222201111212201002
43331301220212210
532204424201022
61542252052432
7210336255023
oct37561504644
911881455632
104257647012
111895370243
129a9a64118
1352b110978
142c56608ba
1519dbba092
hexfdc689a4

4257647012 has 48 divisors (see below), whose sum is σ = 7842831360. Its totient is φ = 2019772800.

The previous prime is 4257646997. The next prime is 4257647029. The reversal of 4257647012 is 2107467524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2941673 + ... + 2943119.

It is an arithmetic number, because the mean of its divisors is an integer number (163392320).

Almost surely, 24257647012 is an apocalyptic number.

It is an amenable number.

4257647012 is a deficient number, since it is larger than the sum of its proper divisors (3585184348).

4257647012 is a wasteful number, since it uses less digits than its factorization.

4257647012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 4257647012 is about 65250.6475983189. The cubic root of 4257647012 is about 1620.7768224799.

The spelling of 4257647012 in words is "four billion, two hundred fifty-seven million, six hundred forty-seven thousand, twelve".

Divisors: 1 2 4 31 61 62 122 124 244 389 778 1447 1556 1891 2894 3782 5788 7564 12059 23729 24118 44857 47458 48236 88267 89714 94916 176534 179428 353068 562883 735599 1125766 1471198 2251532 2736277 2942396 5472554 10945108 17449373 34335863 34898746 68671726 69797492 137343452 1064411753 2128823506 4257647012