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54117755912 = 23113311857929
BaseRepresentation
bin110010011001101010…
…110110110000001000
312011200120002211211002
4302121222312300020
51341313121142122
640510015154132
73624042223013
oct623152666010
9164616084732
1054117755912
1120a51076010
12a5a3b15948
135145bb0a9c
14289557837a
15161b12a992
hexc99ab6c08

54117755912 has 32 divisors (see below), whose sum is σ = 111029896800. Its totient is φ = 24524649600.

The previous prime is 54117755911. The next prime is 54117755921. The reversal of 54117755912 is 21955771145.

It is not an unprimeable number, because it can be changed into a prime (54117755911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899837 + ... + 958092.

It is an arithmetic number, because the mean of its divisors is an integer number (3469684275).

Almost surely, 254117755912 is an apocalyptic number.

It is an amenable number.

54117755912 is an abundant number, since it is smaller than the sum of its proper divisors (56912140888).

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

54117755912 is a wasteful number, since it uses less digits than its factorization.

54117755912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858277 (or 1858273 counting only the distinct ones).

The product of its digits is 441000, while the sum is 47.

The spelling of 54117755912 in words is "fifty-four billion, one hundred seventeen million, seven hundred fifty-five thousand, nine hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 331 662 1324 2648 3641 7282 14564 29128 1857929 3715858 7431716 14863432 20437219 40874438 81748876 163497752 614974499 1229948998 2459897996 4919795992 6764719489 13529438978 27058877956 54117755912