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129313021482 = 2332394685583
BaseRepresentation
bin111100001101110101…
…0000001111000101010
3110100210001021010021000
41320123222001320222
54104313113141412
6135223334455430
712225332355351
oct1703352017052
9410701233230
10129313021482
114a928913a97
122108a804576
13c26a774378
14638a160998
15356c8b44dc
hex1e1ba81e2a

129313021482 has 16 divisors (see below), whose sum is σ = 287362270080. Its totient is φ = 43104340476.

The previous prime is 129313021447. The next prime is 129313021483. The reversal of 129313021482 is 284120313921.

129313021482 is a `hidden beast` number, since 1 + 29 + 3 + 130 + 21 + 482 = 666.

It is not an unprimeable number, because it can be changed into a prime (129313021483) 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, 1197342738 + ... + 1197342845.

It is an arithmetic number, because the mean of its divisors is an integer number (17960141880).

Almost surely, 2129313021482 is an apocalyptic number.

129313021482 is an abundant number, since it is smaller than the sum of its proper divisors (158049248598).

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

129313021482 is a wasteful number, since it uses less digits than its factorization.

129313021482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394685594 (or 2394685588 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 129313021482 in words is "one hundred twenty-nine billion, three hundred thirteen million, twenty-one thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 2394685583 4789371166 7184056749 14368113498 21552170247 43104340494 64656510741 129313021482