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20315536075 = 526113321663
BaseRepresentation
bin10010111010111001…
…100111101011001011
31221102211021011101001
4102322321213223023
5313101234123300
613155520235431
71316303131102
oct227271475313
957384234331
1020315536075
118685654a3a
123b2b76bb77
131bb9b85083
14daa181039
157dd7e816a
hex4bae67acb

20315536075 has 12 divisors (see below), whose sum is σ = 25604238208. Its totient is φ = 15985994400.

The previous prime is 20315536069. The next prime is 20315536097. The reversal of 20315536075 is 57063551302.

It is not a de Polignac number, because 20315536075 - 23 = 20315536067 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6659307 + ... + 6662356.

Almost surely, 220315536075 is an apocalyptic number.

20315536075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20315536075 is a deficient number, since it is larger than the sum of its proper divisors (5288702133).

20315536075 is a wasteful number, since it uses less digits than its factorization.

20315536075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13321734 (or 13321729 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 37.

The spelling of 20315536075 in words is "twenty billion, three hundred fifteen million, five hundred thirty-six thousand, seventy-five".

Divisors: 1 5 25 61 305 1525 13321663 66608315 333041575 812621443 4063107215 20315536075