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992909291442 = 233112841415717
BaseRepresentation
bin11100111001011100000…
…00010110111110110010
310111220212120000002221120
432130232000112332302
5112231434234311232
62040045232003110
7131510134503225
oct16345600267662
93456776002846
10992909291442
113530aa456682
12140523390496
13728282532c3
14360b28375bc
151ac63ed092c
hexe72e016fb2

992909291442 has 32 divisors (see below), whose sum is σ = 2050041813504. Its totient is φ = 320267606400.

The previous prime is 992909291389. The next prime is 992909291443. The reversal of 992909291442 is 244192909299.

It is a super-2 number, since 2×9929092914422 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (992909291443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2180568 + ... + 2596284.

It is an arithmetic number, because the mean of its divisors is an integer number (64063806672).

Almost surely, 2992909291442 is an apocalyptic number.

992909291442 is an abundant number, since it is smaller than the sum of its proper divisors (1057132522062).

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

992909291442 is a wasteful number, since it uses less digits than its factorization.

992909291442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428594.

The product of its (nonzero) digits is 7558272, while the sum is 60.

The spelling of 992909291442 in words is "nine hundred ninety-two billion, nine hundred nine million, two hundred ninety-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 31 62 93 186 12841 25682 38523 77046 398071 415717 796142 831434 1194213 1247151 2388426 2494302 12887227 25774454 38661681 77323362 5338221997 10676443994 16014665991 32029331982 165484881907 330969763814 496454645721 992909291442