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133912068 = 22341272179
BaseRepresentation
bin1111111101101…
…01011000000100
3100022222102211020
413332311120010
5233240141233
621142111140
73214143123
oct776653004
9308872736
10133912068
1169654134
1238a1b4b0
1321988314
1413adbaba
15bb529b3
hex7fb5604

133912068 has 24 divisors (see below), whose sum is σ = 320083680. Its totient is φ = 43548480.

The previous prime is 133912063. The next prime is 133912069. The reversal of 133912068 is 860219331.

It is not an unprimeable number, because it can be changed into a prime (133912063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135598 + ... + 136581.

It is an arithmetic number, because the mean of its divisors is an integer number (13336820).

Almost surely, 2133912068 is an apocalyptic number.

It is an amenable number.

133912068 is an abundant number, since it is smaller than the sum of its proper divisors (186171612).

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

133912068 is a wasteful number, since it uses less digits than its factorization.

133912068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272227 (or 272225 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 133912068 is about 11572.0381955816. The cubic root of 133912068 is about 511.6110377947.

The spelling of 133912068 in words is "one hundred thirty-three million, nine hundred twelve thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 272179 544358 816537 1088716 1633074 3266148 11159339 22318678 33478017 44637356 66956034 133912068