Search a number
-
+
130101091 = 137949643
BaseRepresentation
bin1111100000100…
…10111101100011
3100001210211010221
413300102331203
5231301213331
620524303511
73136561321
oct760227543
9301724127
10130101091
116749096a
12376a1b97
1320c527c3
14133c8d11
15b64d711
hex7c12f63

130101091 has 4 divisors (see below), whose sum is σ = 131050872. Its totient is φ = 129151312.

The previous prime is 130101073. The next prime is 130101109. The reversal of 130101091 is 190101031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (130101073) and next prime (130101109).

It is a cyclic number.

It is not a de Polignac number, because 130101091 - 27 = 130100963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130101691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474685 + ... + 474958.

It is an arithmetic number, because the mean of its divisors is an integer number (32762718).

Almost surely, 2130101091 is an apocalyptic number.

130101091 is a deficient number, since it is larger than the sum of its proper divisors (949781).

130101091 is an equidigital number, since it uses as much as digits as its factorization.

130101091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949780.

The product of its (nonzero) digits is 27, while the sum is 16.

The square root of 130101091 is about 11406.1865231110. The cubic root of 130101091 is about 506.7109772439.

The spelling of 130101091 in words is "one hundred thirty million, one hundred one thousand, ninety-one".

Divisors: 1 137 949643 130101091