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54791794018 = 2136833085471
BaseRepresentation
bin110011000001110110…
…000110110101100010
312020102112102112021101
4303001312012311202
51344203144402033
641100534145014
73646535364463
oct630166066542
9166375375241
1054791794018
11212675a28a5
12a7517b216a
1352227301c0
14291acb4d6a
15165a3c097d
hexcc1d86d62

54791794018 has 16 divisors (see below), whose sum is σ = 88639439616. Its totient is φ = 25251486480.

The previous prime is 54791794009. The next prime is 54791794073. The reversal of 54791794018 is 81049719745.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 54791794018.

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 7 ways as a sum of consecutive naturals, for example, 1524978 + ... + 1560493.

It is an arithmetic number, because the mean of its divisors is an integer number (5539964976).

Almost surely, 254791794018 is an apocalyptic number.

54791794018 is a deficient number, since it is larger than the sum of its proper divisors (33847645598).

54791794018 is a wasteful number, since it uses less digits than its factorization.

54791794018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086169.

The product of its (nonzero) digits is 2540160, while the sum is 55.

The spelling of 54791794018 in words is "fifty-four billion, seven hundred ninety-one million, seven hundred ninety-four thousand, eighteen".

Divisors: 1 2 13 26 683 1366 8879 17758 3085471 6170942 40111123 80222246 2107376693 4214753386 27395897009 54791794018