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20827795054 = 2112395217603
BaseRepresentation
bin10011011001011011…
…101110111001101110
31222202112011121120211
4103121123232321232
5320123403420204
613322415533034
71335063223363
oct233133567156
958675147524
1020827795054
118918824770
12405322a17a
131c6c03ccb1
14101820846a
1581d783804
hex4d96eee6e

20827795054 has 32 divisors (see below), whose sum is σ = 34294648320. Its totient is φ = 9408235200.

The previous prime is 20827795049. The next prime is 20827795073. The reversal of 20827795054 is 45059772802.

It is a super-2 number, since 2×208277950542 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20827794989 and 20827795007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2735617 + ... + 2743219.

It is an arithmetic number, because the mean of its divisors is an integer number (1071707760).

Almost surely, 220827795054 is an apocalyptic number.

20827795054 is a deficient number, since it is larger than the sum of its proper divisors (13466853266).

20827795054 is a wasteful number, since it uses less digits than its factorization.

20827795054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8376.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 20827795054 in words is "twenty billion, eight hundred twenty-seven million, seven hundred ninety-five thousand, fifty-four".

Divisors: 1 2 11 22 239 478 521 1042 2629 5258 5731 7603 11462 15206 83633 124519 167266 249038 1369709 1817117 2739418 3634234 3961163 7922326 19988287 39976574 43572793 87145586 946717957 1893435914 10413897527 20827795054