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5757320387 = 71376183137
BaseRepresentation
bin1010101110010100…
…11011110011000011
3112212020102011211102
411113022123303003
543242333223022
62351143205015
7262446262430
oct52712336303
915766364742
105757320387
112494948025
12114814676b
13709a1a370
143c88bab87
1523a69ca92
hex15729bcc3

5757320387 has 16 divisors (see below), whose sum is σ = 7095329472. Its totient is φ = 4549201920.

The previous prime is 5757320347. The next prime is 5757320389. The reversal of 5757320387 is 7830237575.

It is a cyclic number.

It is not a de Polignac number, because 5757320387 - 210 = 5757319363 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5757320389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27683 + ... + 110819.

It is an arithmetic number, because the mean of its divisors is an integer number (443458092).

Almost surely, 25757320387 is an apocalyptic number.

5757320387 is a deficient number, since it is larger than the sum of its proper divisors (1338009085).

5757320387 is a wasteful number, since it uses less digits than its factorization.

5757320387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83918.

The product of its (nonzero) digits is 1234800, while the sum is 47.

The square root of 5757320387 is about 75877.0082897316. The cubic root of 5757320387 is about 1792.2838825801.

The spelling of 5757320387 in words is "five billion, seven hundred fifty-seven million, three hundred twenty thousand, three hundred eighty-seven".

Divisors: 1 7 13 91 761 5327 9893 69251 83137 581959 1080781 7565467 63267257 442870799 822474341 5757320387