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133012712 = 23721111257
BaseRepresentation
bin1111110110110…
…01110011101000
3100021021202010202
413323121303220
5233022401322
621110531332
73203406110
oct773316350
9307252122
10133012712
116909a468
1238666b48
1321731b61
1413946040
15ba26292
hex7ed9ce8

133012712 has 32 divisors (see below), whose sum is σ = 286403520. Its totient is φ = 56730240.

The previous prime is 133012667. The next prime is 133012721. The reversal of 133012712 is 217210331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6188 + ... + 17444.

It is an arithmetic number, because the mean of its divisors is an integer number (8950110).

Almost surely, 2133012712 is an apocalyptic number.

It is an amenable number.

133012712 is an abundant number, since it is smaller than the sum of its proper divisors (153390808).

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

133012712 is a wasteful number, since it uses less digits than its factorization.

133012712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11481 (or 11477 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 133012712 is about 11533.1137165988. The cubic root of 133012712 is about 510.4631343403.

The spelling of 133012712 in words is "one hundred thirty-three million, twelve thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 211 422 844 1477 1688 2954 5908 11257 11816 22514 45028 78799 90056 157598 315196 630392 2375227 4750454 9500908 16626589 19001816 33253178 66506356 133012712