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54928666705 = 5114793208367
BaseRepresentation
bin110011001010000000…
…001111000001010001
312020210001222101022011
4303022000033001101
51344443214313310
641122303542521
73653116651303
oct631200170121
9166701871264
1054928666705
1121327889320
12a78b5baa41
135244bb3c63
142931143973
15166740a78a
hexcca00f051

54928666705 has 16 divisors (see below), whose sum is σ = 71921965824. Its totient is φ = 39939594880.

The previous prime is 54928666673. The next prime is 54928666733. The reversal of 54928666705 is 50766682945.

It is not a de Polignac number, because 54928666705 - 25 = 54928666673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54928666705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159432 + ... + 367798.

It is an arithmetic number, because the mean of its divisors is an integer number (4495122864).

Almost surely, 254928666705 is an apocalyptic number.

54928666705 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54928666705 is a deficient number, since it is larger than the sum of its proper divisors (16993299119).

54928666705 is a wasteful number, since it uses less digits than its factorization.

54928666705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213176.

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 54928666705 in words is "fifty-four billion, nine hundred twenty-eight million, six hundred sixty-six thousand, seven hundred five".

Divisors: 1 5 11 55 4793 23965 52723 208367 263615 1041835 2292037 11460185 998703031 4993515155 10985733341 54928666705