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130640277 = 3267716267
BaseRepresentation
bin1111100100101…
…10100110010101
3100002211012202210
413302112212111
5231420442102
620544024033
73144265305
oct762264625
9302735683
10130640277
1167819a79
1237902019
13210b1051
14134c9605
15b70836c
hex7c96995

130640277 has 8 divisors (see below), whose sum is σ = 174262816. Its totient is φ = 87055632.

The previous prime is 130640269. The next prime is 130640297. The reversal of 130640277 is 772046031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130640277 - 23 = 130640269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130640267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103 + ... + 16164.

It is an arithmetic number, because the mean of its divisors is an integer number (21782852).

Almost surely, 2130640277 is an apocalyptic number.

It is an amenable number.

130640277 is a deficient number, since it is larger than the sum of its proper divisors (43622539).

130640277 is a wasteful number, since it uses less digits than its factorization.

130640277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18947.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 130640277 is about 11429.7977672398. The cubic root of 130640277 is about 507.4100103328.

The spelling of 130640277 in words is "one hundred thirty million, six hundred forty thousand, two hundred seventy-seven".

Divisors: 1 3 2677 8031 16267 48801 43546759 130640277