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130172866916 = 2290989357661
BaseRepresentation
bin111100100111011101…
…0000101000101100100
3110102222222012210110012
41321032322011011210
54113043223220131
6135444532145352
712255543053351
oct1711672050544
9412888183405
10130172866916
115022a20a654
122128a768258
13c37694ba51
14642c427628
1535bd10d52b
hex1e4ee85164

130172866916 has 12 divisors (see below), whose sum is σ = 227805657660. Its totient is φ = 65085536160.

The previous prime is 130172866907. The next prime is 130172866963. The reversal of 130172866916 is 619668271031.

It can be written as a sum of positive squares in 2 ways, for example, as 90332706916 + 39840160000 = 300554^2 + 199600^2 .

It is a super-2 number, since 2×1301728669162 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185126 + ... + 542786.

It is an arithmetic number, because the mean of its divisors is an integer number (18983804805).

Almost surely, 2130172866916 is an apocalyptic number.

It is an amenable number.

130172866916 is a deficient number, since it is larger than the sum of its proper divisors (97632790744).

130172866916 is a wasteful number, since it uses less digits than its factorization.

130172866916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448654 (or 448652 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 130172866916 in words is "one hundred thirty billion, one hundred seventy-two million, eight hundred sixty-six thousand, nine hundred sixteen".

Divisors: 1 2 4 90989 181978 357661 363956 715322 1430644 32543216729 65086433458 130172866916