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20277586675 = 525315303839
BaseRepresentation
bin10010111000101000…
…110110101011110011
31221100011212010120201
4102320220312223303
5313012030233200
613152043020031
71315332433333
oct227050665363
957304763521
1020277586675
118666194aa5
123b1ab0a617
131bb20589c8
14da51030c3
157da2edc6a
hex4b8a36af3

20277586675 has 12 divisors (see below), whose sum is σ = 25618628160. Its totient is φ = 15915991520.

The previous prime is 20277586661. The next prime is 20277586691. The reversal of 20277586675 is 57668577202.

It is not a de Polignac number, because 20277586675 - 25 = 20277586643 is a prime.

It is a super-2 number, since 2×202775866752 (a number of 21 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 7650595 + ... + 7653244.

It is an arithmetic number, because the mean of its divisors is an integer number (2134885680).

Almost surely, 220277586675 is an apocalyptic number.

20277586675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20277586675 is a deficient number, since it is larger than the sum of its proper divisors (5341041485).

20277586675 is a wasteful number, since it uses less digits than its factorization.

20277586675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15303902 (or 15303897 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 20277586675 in words is "twenty billion, two hundred seventy-seven million, five hundred eighty-six thousand, six hundred seventy-five".

Divisors: 1 5 25 53 265 1325 15303839 76519195 382595975 811103467 4055517335 20277586675