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130423122431172 = 22324997260249523
BaseRepresentation
bin11101101001111001111111…
…111000100000110011000100
3122002210022212122111212100100
4131221321333320200303010
5114043323023320244142
61141215315540044100
736320521362060324
oct3551717770406304
9562708778455310
10130423122431172
113861415454137a
1212764a5b993630
1357a0b0344b05c
14242c7271dd284
151012910dd7b4c
hex769e7fe20cc4

130423122431172 has 36 divisors (see below), whose sum is σ = 330341353342000. Its totient is φ = 43387251143472.

The previous prime is 130423122431171. The next prime is 130423122431221. The reversal of 130423122431172 is 271134221324031.

130423122431172 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 2 + 31 + 22 + 431 + 172 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (130423122431171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3630106798 + ... + 3630142725.

Almost surely, 2130423122431172 is an apocalyptic number.

130423122431172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130423122431172 is an abundant number, since it is smaller than the sum of its proper divisors (199918230910828).

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

130423122431172 is a wasteful number, since it uses less digits than its factorization.

130423122431172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7260250032 (or 7260250027 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 130423122431172 in words is "one hundred thirty trillion, four hundred twenty-three billion, one hundred twenty-two million, four hundred thirty-one thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 499 998 1497 1996 2994 4491 5988 8982 17964 7260249523 14520499046 21780748569 29040998092 43561497138 65342245707 87122994276 130684491414 261368982828 3622864511977 7245729023954 10868593535931 14491458047908 21737187071862 32605780607793 43474374143724 65211561215586 130423122431172