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5031920260 = 225251596013
BaseRepresentation
bin1001010111110110…
…10000001010000100
3110222200110000221001
410223323100022010
540301132422020
62151151303044
7235460421313
oct45373201204
913880400831
105031920260
11215242a194
12b8521aa84
13622656913
1435a41027a
151e6b5e50a
hex12bed0284

5031920260 has 12 divisors (see below), whose sum is σ = 10567032588. Its totient is φ = 2012768096.

The previous prime is 5031920249. The next prime is 5031920263. The reversal of 5031920260 is 620291305.

It can be written as a sum of positive squares in 2 ways, for example, as 2286369856 + 2745550404 = 47816^2 + 52398^2 .

It is not an unprimeable number, because it can be changed into a prime (5031920263) 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, 125797987 + ... + 125798026.

It is an arithmetic number, because the mean of its divisors is an integer number (880586049).

Almost surely, 25031920260 is an apocalyptic number.

It is an amenable number.

5031920260 is an abundant number, since it is smaller than the sum of its proper divisors (5535112328).

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

5031920260 is a wasteful number, since it uses less digits than its factorization.

5031920260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251596022 (or 251596020 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 5031920260 is about 70936.0293503943. The cubic root of 5031920260 is about 1713.6070889246.

The spelling of 5031920260 in words is "five billion, thirty-one million, nine hundred twenty thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 251596013 503192026 1006384052 1257980065 2515960130 5031920260