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5170395831 = 31723465277
BaseRepresentation
bin1001101000010110…
…11111101010110111
3111100100000022200220
410310023133222313
541042110131311
62213015305423
7242061432216
oct46413375267
914310008626
105170395831
11221360aa07
12100367b273
1364524c123
1437097907d
15203db4206
hex1342dfab7

5170395831 has 4 divisors (see below), whose sum is σ = 6893861112. Its totient is φ = 3446930552.

The previous prime is 5170395817. The next prime is 5170395887. The reversal of 5170395831 is 1385930715.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5170395831 - 221 = 5168298679 is a prime.

It is a super-2 number, since 2×51703958312 = 53465986098444361122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5170395031) 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, 861732636 + ... + 861732641.

It is an arithmetic number, because the mean of its divisors is an integer number (1723465278).

Almost surely, 25170395831 is an apocalyptic number.

5170395831 is a deficient number, since it is larger than the sum of its proper divisors (1723465281).

5170395831 is a wasteful number, since it uses less digits than its factorization.

5170395831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723465280.

The product of its (nonzero) digits is 113400, while the sum is 42.

The square root of 5170395831 is about 71905.4645419943. The cubic root of 5170395831 is about 1729.1842223968.

The spelling of 5170395831 in words is "five billion, one hundred seventy million, three hundred ninety-five thousand, eight hundred thirty-one".

Divisors: 1 3 1723465277 5170395831