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54357097782 = 23131518745887
BaseRepresentation
bin110010100111111011…
…110111110100110110
312012022020110200010210
4302213323313310312
51342310404112112
640545445130250
73633006464511
oct624773676466
9165266420123
1054357097782
112106418a109
12a6500b9986
1351836611b0
1428b927bd78
151632156b3c
hexca7ef7d36

54357097782 has 32 divisors (see below), whose sum is σ = 117087086592. Its totient is φ = 16723795104.

The previous prime is 54357097759. The next prime is 54357097783. The reversal of 54357097782 is 28779075345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54357097783) 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, 1161643 + ... + 1207529.

It is an arithmetic number, because the mean of its divisors is an integer number (3658971456).

Almost surely, 254357097782 is an apocalyptic number.

54357097782 is an abundant number, since it is smaller than the sum of its proper divisors (62729988810).

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

54357097782 is a wasteful number, since it uses less digits than its factorization.

54357097782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61092.

The product of its (nonzero) digits is 14817600, while the sum is 57.

The spelling of 54357097782 in words is "fifty-four billion, three hundred fifty-seven million, ninety-seven thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 13 26 39 78 15187 30374 45561 45887 91122 91774 137661 197431 275322 394862 592293 596531 1184586 1193062 1789593 3579186 696885869 1393771738 2090657607 4181315214 9059516297 18119032594 27178548891 54357097782