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130196958 = 23107202799
BaseRepresentation
bin1111100001010…
…10010111011110
3100001222200122120
413300222113132
5231312300313
620530323410
73140440653
oct760522736
9301880576
10130196958
11675469a1
1237729566
1320c87328
1413411c2a
15b66bd23
hex7c2a5de

130196958 has 16 divisors (see below), whose sum is σ = 262828800. Its totient is φ = 42993176.

The previous prime is 130196953. The next prime is 130196981. The reversal of 130196958 is 859691031.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130196953) 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, 100758 + ... + 102041.

It is an arithmetic number, because the mean of its divisors is an integer number (16426800).

Almost surely, 2130196958 is an apocalyptic number.

130196958 is an abundant number, since it is smaller than the sum of its proper divisors (132631842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130196958 is a wasteful number, since it uses less digits than its factorization.

130196958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202911.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 130196958 is about 11410.3881616709. The cubic root of 130196958 is about 506.8354059586.

The spelling of 130196958 in words is "one hundred thirty million, one hundred ninety-six thousand, nine hundred fifty-eight".

Divisors: 1 2 3 6 107 214 321 642 202799 405598 608397 1216794 21699493 43398986 65098479 130196958