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130452511 = 7831131987
BaseRepresentation
bin1111100011010…
…00110000011111
3100002110200012111
413301220300133
5231343440021
620540014451
73142554010
oct761506037
9302420174
10130452511
11677009a2
1237831427
1321046747
141347b007
15b6bc8e1
hex7c68c1f

130452511 has 16 divisors (see below), whose sum is σ = 152296704. Its totient is φ = 109436544.

The previous prime is 130452503. The next prime is 130452521. The reversal of 130452511 is 115254031.

It is a happy number.

It is not a de Polignac number, because 130452511 - 23 = 130452503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130452521) 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, 64660 + ... + 66646.

It is an arithmetic number, because the mean of its divisors is an integer number (9518544).

Almost surely, 2130452511 is an apocalyptic number.

130452511 is a deficient number, since it is larger than the sum of its proper divisors (21844193).

130452511 is a wasteful number, since it uses less digits than its factorization.

130452511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 130452511 is about 11421.5809326030. The cubic root of 130452511 is about 507.1667978723.

The spelling of 130452511 in words is "one hundred thirty million, four hundred fifty-two thousand, five hundred eleven".

Divisors: 1 7 83 113 581 791 1987 9379 13909 65653 164921 224531 1154447 1571717 18636073 130452511