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130321311986 = 265160655993
BaseRepresentation
bin111100101011111000…
…0010110100011110010
3110110101022112120210202
41321113300112203302
54113344223440421
6135511353555202
712262324605665
oct1712760264362
9413338476722
10130321311986
11502a5a8a628
1221310415b02
13c39b624c78
1464440296dc
1535cb18210b
hex1e57c168f2

130321311986 has 4 divisors (see below), whose sum is σ = 195481967982. Its totient is φ = 65160655992.

The previous prime is 130321311971. The next prime is 130321312073. The reversal of 130321311986 is 689113123031.

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

It can be written as a sum of positive squares in only one way, i.e., 115927311361 + 14394000625 = 340481^2 + 119975^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32580327995 + ... + 32580327998.

Almost surely, 2130321311986 is an apocalyptic number.

130321311986 is a deficient number, since it is larger than the sum of its proper divisors (65160655996).

130321311986 is an equidigital number, since it uses as much as digits as its factorization.

130321311986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65160655995.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 130321311986 in words is "one hundred thirty billion, three hundred twenty-one million, three hundred eleven thousand, nine hundred eighty-six".

Divisors: 1 2 65160655993 130321311986