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130912897 = 1034213019
BaseRepresentation
bin1111100110110…
…01001010000001
3100010100001201211
413303121022001
5232003203042
620553530121
73146512153
oct763311201
9303301654
10130912897
1167995885
1237a13941
132117816b
141355aad3
15b75e017
hex7cd9281

130912897 has 8 divisors (see below), whose sum is σ = 132541760. Its totient is φ = 129291120.

The previous prime is 130912891. The next prime is 130912913. The reversal of 130912897 is 798219031.

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 130912897 - 215 = 130880129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130912891) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 41854 + ... + 44872.

It is an arithmetic number, because the mean of its divisors is an integer number (16567720).

Almost surely, 2130912897 is an apocalyptic number.

It is an amenable number.

130912897 is a deficient number, since it is larger than the sum of its proper divisors (1628863).

130912897 is a wasteful number, since it uses less digits than its factorization.

130912897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 130912897 is about 11441.7173973141. The cubic root of 130912897 is about 507.7627193370.

The spelling of 130912897 in words is "one hundred thirty million, nine hundred twelve thousand, eight hundred ninety-seven".

Divisors: 1 103 421 3019 43363 310957 1270999 130912897