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20762807708 = 229753512391
BaseRepresentation
bin10011010101100011…
…110100110110011100
31222120222212220201002
4103111203310312130
5320010234321313
613312135005432
71333343645036
oct232543646634
958528786632
1020762807708
118895077815
124035509878
131c5b737c46
14100d72cc56
15817be8058
hex4d58f4d9c

20762807708 has 12 divisors (see below), whose sum is σ = 36709500912. Its totient is φ = 10274378880.

The previous prime is 20762807657. The next prime is 20762807719. The reversal of 20762807708 is 80770826702.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26755808 + ... + 26756583.

It is an arithmetic number, because the mean of its divisors is an integer number (3059125076).

Almost surely, 220762807708 is an apocalyptic number.

It is an amenable number.

20762807708 is a deficient number, since it is larger than the sum of its proper divisors (15946693204).

20762807708 is a wasteful number, since it uses less digits than its factorization.

20762807708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53512492 (or 53512490 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 47.

The spelling of 20762807708 in words is "twenty billion, seven hundred sixty-two million, eight hundred seven thousand, seven hundred eight".

Divisors: 1 2 4 97 194 388 53512391 107024782 214049564 5190701927 10381403854 20762807708