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133019960 = 23525113249
BaseRepresentation
bin1111110110110…
…11100100111000
3100021022010002012
413323123210320
5233023114320
621111025052
73203436203
oct773334470
9307263065
10133019960
11690a4957
123866b188
1321735248
141394893a
15ba284c5
hex7edb938

133019960 has 32 divisors (see below), whose sum is σ = 300510000. Its totient is φ = 52992000.

The previous prime is 133019959. The next prime is 133019989. The reversal of 133019960 is 69910331.

It is a congruent number.

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, 3416 + ... + 16664.

Almost surely, 2133019960 is an apocalyptic number.

133019960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133019960 is an abundant number, since it is smaller than the sum of its proper divisors (167490040).

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

133019960 is a wasteful number, since it uses less digits than its factorization.

133019960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13511 (or 13507 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 133019960 is about 11533.4279379550. The cubic root of 133019960 is about 510.4724060596.

The spelling of 133019960 in words is "one hundred thirty-three million, nineteen thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 251 502 1004 1255 2008 2510 5020 10040 13249 26498 52996 66245 105992 132490 264980 529960 3325499 6650998 13301996 16627495 26603992 33254990 66509980 133019960