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130712953 = 722678237
BaseRepresentation
bin1111100101010…
…00010101111001
3100002221220110111
413302220111321
5231430303303
620545344321
73145020220
oct762502571
9302856414
10130712953
1167869638
12379380a1
1321108157
1413507cb7
15b71eb6d
hex7ca8579

130712953 has 8 divisors (see below), whose sum is σ = 149470272. Its totient is φ = 111976656.

The previous prime is 130712941. The next prime is 130712987. The reversal of 130712953 is 359217031.

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

It is a cyclic number.

It is not a de Polignac number, because 130712953 - 29 = 130712441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130712903) 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, 11751 + ... + 19987.

It is an arithmetic number, because the mean of its divisors is an integer number (18683784).

Almost surely, 2130712953 is an apocalyptic number.

It is an amenable number.

130712953 is a deficient number, since it is larger than the sum of its proper divisors (18757319).

130712953 is an equidigital number, since it uses as much as digits as its factorization.

130712953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10511.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 130712953 is about 11432.9765590593. The cubic root of 130712953 is about 507.5040846735.

Adding to 130712953 its reverse (359217031), we get a palindrome (489929984).

The spelling of 130712953 in words is "one hundred thirty million, seven hundred twelve thousand, nine hundred fifty-three".

Divisors: 1 7 2267 8237 15869 57659 18673279 130712953