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54740836808 = 23717109563937
BaseRepresentation
bin110010111110110011…
…101110000111001000
312020021222112122010022
4302332303232013020
51344102123234213
641051514040012
73645346302260
oct627663560710
9166258478108
1054740836808
11212408589a9
12a738719008
135214ccb1c8
14291420c7a0
151655ba7308
hexcbecee1c8

54740836808 has 128 divisors (see below), whose sum is σ = 125698003200. Its totient is φ = 21815599104.

The previous prime is 54740836807. The next prime is 54740836817. The reversal of 54740836808 is 80863804745.

It is a self number, because there is not a number n which added to its sum of digits gives 54740836808.

It is not an unprimeable number, because it can be changed into a prime (54740836807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58420916 + ... + 58421852.

It is an arithmetic number, because the mean of its divisors is an integer number (982015650).

Almost surely, 254740836808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54740836808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62849001600).

54740836808 is an abundant number, since it is smaller than the sum of its proper divisors (70957166392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54740836808 is a wasteful number, since it uses less digits than its factorization.

54740836808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639 (or 1635 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 54740836808 in words is "fifty-four billion, seven hundred forty million, eight hundred thirty-six thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 109 119 136 218 238 436 476 563 763 872 937 952 1126 1526 1853 1874 2252 3052 3706 3748 3941 4504 6104 6559 7412 7496 7882 9571 12971 13118 14824 15764 15929 19142 25942 26236 31528 31858 38284 51884 52472 61367 63716 66997 76568 102133 103768 111503 122734 127432 133994 204266 223006 245468 267988 408532 429569 446012 490936 527531 535976 714931 817064 859138 892024 1043239 1055062 1429862 1718276 1736261 2086478 2110124 2859724 3436552 3472522 3692717 4172956 4220248 5719448 6945044 7302673 7385434 8345912 8968027 12153827 13890088 14605346 14770868 17936054 24307654 29210692 29541736 35872108 48615308 57500879 58421384 62776189 71744216 97230616 115001758 125552378 230003516 251104756 402506153 460007032 502209512 805012306 977514943 1610024612 1955029886 3220049224 3910059772 6842604601 7820119544 13685209202 27370418404 54740836808