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130388536 = 2316298567
BaseRepresentation
bin1111100010110…
…01001000111000
3100002100102110001
413301121020320
5231334413121
620534402344
73142166335
oct761311070
9302312401
10130388536
1167667923
12378003b4
13210235a5
141346198c
15b6a8991
hex7c59238

130388536 has 8 divisors (see below), whose sum is σ = 244478520. Its totient is φ = 65194264.

The previous prime is 130388519. The next prime is 130388551. The reversal of 130388536 is 635883031.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 130388495 and 130388504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8149276 + ... + 8149291.

It is an arithmetic number, because the mean of its divisors is an integer number (30559815).

Almost surely, 2130388536 is an apocalyptic number.

It is an amenable number.

130388536 is a deficient number, since it is larger than the sum of its proper divisors (114089984).

130388536 is a wasteful number, since it uses less digits than its factorization.

130388536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16298573 (or 16298569 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 130388536 is about 11418.7799698567. The cubic root of 130388536 is about 507.0838780393.

The spelling of 130388536 in words is "one hundred thirty million, three hundred eighty-eight thousand, five hundred thirty-six".

Divisors: 1 2 4 8 16298567 32597134 65194268 130388536