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130992171368 = 2348481337741
BaseRepresentation
bin111100111111110111…
…1011110100101101000
3110112010001212202212112
41321333233132211220
54121232443440433
6140102120501452
712315052041152
oct1717757364550
9415101782775
10130992171368
115060a736173
122147901a888
13c477600596
1464a9179ad2
153619eea348
hex1e7fbde968

130992171368 has 16 divisors (see below), whose sum is σ = 245616114660. Its totient is φ = 65494540800.

The previous prime is 130992171367. The next prime is 130992171389. The reversal of 130992171368 is 863171299031.

It can be written as a sum of positive squares in 2 ways, for example, as 81957383524 + 49034787844 = 286282^2 + 221438^2 .

It is not an unprimeable number, because it can be changed into a prime (130992171367) 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, 218978 + ... + 556718.

Almost surely, 2130992171368 is an apocalyptic number.

It is an amenable number.

130992171368 is a deficient number, since it is larger than the sum of its proper divisors (114623943292).

130992171368 is a wasteful number, since it uses less digits than its factorization.

130992171368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386228 (or 386224 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 130992171368 in words is "one hundred thirty billion, nine hundred ninety-two million, one hundred seventy-one thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 48481 96962 193924 337741 387848 675482 1350964 2701928 16374021421 32748042842 65496085684 130992171368