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20023736715 = 3251277348451
BaseRepresentation
bin10010101001100000…
…011111100110001011
31220200111012012220100
4102221200133212023
5312002034033330
613110534100443
71306130645103
oct225140374613
956614165810
1020023736715
118545971844
123a69aaa723
131b71598b28
14d7d504203
157c2da9060
hex4a981f98b

20023736715 has 24 divisors (see below), whose sum is σ = 34735089168. Its totient is φ = 10670932800.

The previous prime is 20023736669. The next prime is 20023736741. The reversal of 20023736715 is 51763732002.

It is not a de Polignac number, because 20023736715 - 210 = 20023735691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20023736715.

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 23 ways as a sum of consecutive naturals, for example, 116761 + ... + 231690.

It is an arithmetic number, because the mean of its divisors is an integer number (1447295382).

Almost surely, 220023736715 is an apocalyptic number.

20023736715 is a deficient number, since it is larger than the sum of its proper divisors (14711352453).

20023736715 is a wasteful number, since it uses less digits than its factorization.

20023736715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349739 (or 349736 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 20023736715 in words is "twenty billion, twenty-three million, seven hundred thirty-six thousand, seven hundred fifteen".

Divisors: 1 3 5 9 15 45 1277 3831 6385 11493 19155 57465 348451 1045353 1742255 3136059 5226765 15680295 444971927 1334915781 2224859635 4004747343 6674578905 20023736715