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54585118120 = 23513491213791
BaseRepresentation
bin110010110101100001…
…101100110110101000
312012220010112022020111
4302311201230312220
51343242242234440
641024232304104
73641445564031
oct626541546650
9165803468214
1054585118120
1121170970175
12a6b4542034
1351bb979380
1428db675a88
1516471984ea
hexcb586cda8

54585118120 has 64 divisors (see below), whose sum is σ = 132533936640. Its totient is φ = 20113363200.

The previous prime is 54585118111. The next prime is 54585118129. The reversal of 54585118120 is 2181158545.

It is a happy number.

54585118120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54585118111) and next prime (54585118129).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (54585118129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148425 + ... + 362215.

It is an arithmetic number, because the mean of its divisors is an integer number (2070842760).

Almost surely, 254585118120 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 54585118120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66266968320).

54585118120 is an abundant number, since it is smaller than the sum of its proper divisors (77948818520).

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

54585118120 is a wasteful number, since it uses less digits than its factorization.

54585118120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214306 (or 214302 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 40.

The spelling of 54585118120 in words is "fifty-four billion, five hundred eighty-five million, one hundred eighteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 491 520 982 1964 2455 3928 4910 6383 9820 12766 19640 25532 31915 51064 63830 127660 213791 255320 427582 855164 1068955 1710328 2137910 2779283 4275820 5558566 8551640 11117132 13896415 22234264 27792830 55585660 104971381 111171320 209942762 419885524 524856905 839771048 1049713810 1364627953 2099427620 2729255906 4198855240 5458511812 6823139765 10917023624 13646279530 27292559060 54585118120