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130918697 = 7131438667
BaseRepresentation
bin1111100110110…
…10100100101001
3100010100100200122
413303122210221
5232003344242
620554013025
73146535110
oct763324451
9303310618
10130918697
116799a178
1237a17175
132117a9b0
141355cc77
15b760ad2
hex7cda929

130918697 has 8 divisors (see below), whose sum is σ = 161130816. Its totient is φ = 103583952.

The previous prime is 130918693. The next prime is 130918727. The reversal of 130918697 is 796819031.

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 130918697 - 22 = 130918693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130918693) 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, 719243 + ... + 719424.

It is an arithmetic number, because the mean of its divisors is an integer number (20141352).

Almost surely, 2130918697 is an apocalyptic number.

It is an amenable number.

130918697 is a deficient number, since it is larger than the sum of its proper divisors (30212119).

130918697 is a wasteful number, since it uses less digits than its factorization.

130918697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438687.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 130918697 is about 11441.9708529606. The cubic root of 130918697 is about 507.7702179114.

The spelling of 130918697 in words is "one hundred thirty million, nine hundred eighteen thousand, six hundred ninety-seven".

Divisors: 1 7 13 91 1438667 10070669 18702671 130918697