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130161308 = 22154321089
BaseRepresentation
bin1111100001000…
…01101010011100
3100001220212202012
413300201222130
5231310130213
620525450352
73140232014
oct760415234
9301825665
10130161308
1167522132
12377109b8
1320c74034
1413402c44
15b6614a8
hex7c21a9c

130161308 has 12 divisors (see below), whose sum is σ = 227940720. Its totient is φ = 65035392.

The previous prime is 130161307. The next prime is 130161313. The reversal of 130161308 is 803161031.

It is a super-2 number, since 2×1301613082 = 33883932200541728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130161307) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4373 + ... + 16716.

It is an arithmetic number, because the mean of its divisors is an integer number (18995060).

Almost surely, 2130161308 is an apocalyptic number.

It is an amenable number.

130161308 is a deficient number, since it is larger than the sum of its proper divisors (97779412).

130161308 is a wasteful number, since it uses less digits than its factorization.

130161308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22636 (or 22634 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 130161308 is about 11408.8258817461. The cubic root of 130161308 is about 506.7891418678.

The spelling of 130161308 in words is "one hundred thirty million, one hundred sixty-one thousand, three hundred eight".

Divisors: 1 2 4 1543 3086 6172 21089 42178 84356 32540327 65080654 130161308