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5257751185 = 52921250357
BaseRepresentation
bin1001110010110001…
…01110101010010001
3111120102101102201101
410321120232222101
541231441014220
62225415504401
7244202101441
oct47130565221
914512342641
105257751185
112258955315
121028988101
1365a38639b
1437c3d8121
1520b8bc30a
hex13962ea91

5257751185 has 12 divisors (see below), whose sum is σ = 6534370908. Its totient is φ = 4061156288.

The previous prime is 5257751173. The next prime is 5257751189. The reversal of 5257751185 is 5811577525.

It can be written as a sum of positive squares in 6 ways, for example, as 40144896 + 5217606289 = 6336^2 + 72233^2 .

It is not a de Polignac number, because 5257751185 - 213 = 5257742993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5257751189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 620974 + ... + 629383.

It is an arithmetic number, because the mean of its divisors is an integer number (544530909).

Almost surely, 25257751185 is an apocalyptic number.

It is an amenable number.

5257751185 is a deficient number, since it is larger than the sum of its proper divisors (1276619723).

5257751185 is a wasteful number, since it uses less digits than its factorization.

5257751185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250420 (or 1250391 counting only the distinct ones).

The product of its digits is 490000, while the sum is 46.

The square root of 5257751185 is about 72510.3522609013. The cubic root of 5257751185 is about 1738.8682455099.

The spelling of 5257751185 in words is "five billion, two hundred fifty-seven million, seven hundred fifty-one thousand, one hundred eighty-five".

Divisors: 1 5 29 145 841 4205 1250357 6251785 36260353 181301765 1051550237 5257751185