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130701956 = 227112914633
BaseRepresentation
bin1111100101001…
…01101010000100
3100002221100101012
413302211222010
5231424430311
620545221352
73144643160
oct762455204
9302840335
10130701956
1167861350
1237931858
1321103148
1413503ca0
15b71b78b
hex7ca5a84

130701956 has 48 divisors (see below), whose sum is σ = 295021440. Its totient is φ = 49163520.

The previous prime is 130701947. The next prime is 130701997. The reversal of 130701956 is 659107031.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1616 + ... + 16248.

It is an arithmetic number, because the mean of its divisors is an integer number (6146280).

Almost surely, 2130701956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130701956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147510720).

130701956 is an abundant number, since it is smaller than the sum of its proper divisors (164319484).

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

130701956 is a wasteful number, since it uses less digits than its factorization.

130701956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14684 (or 14682 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 130701956 is about 11432.4956155688. The cubic root of 130701956 is about 507.4898520138.

Adding to 130701956 its reverse (659107031), we get a palindrome (789808987).

The spelling of 130701956 in words is "one hundred thirty million, seven hundred one thousand, nine hundred fifty-six".

Divisors: 1 2 4 7 11 14 22 28 29 44 58 77 116 154 203 308 319 406 638 812 1276 2233 4466 8932 14633 29266 58532 102431 160963 204862 321926 409724 424357 643852 848714 1126741 1697428 2253482 2970499 4506964 4667927 5940998 9335854 11881996 18671708 32675489 65350978 130701956