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54145358320 = 2451709396031
BaseRepresentation
bin110010011011010100…
…001001100111110000
312011202111001012012111
4302123110021213300
51341342202431240
640512442535104
73624525644344
oct623324114760
9164674035174
1054145358320
1120a65709119
12a5b1207494
13514b826681
1428990c1624
15161d77e1ea
hexc9b5099f0

54145358320 has 40 divisors (see below), whose sum is σ = 125961937920. Its totient is φ = 21645415680.

The previous prime is 54145358279. The next prime is 54145358341. The reversal of 54145358320 is 2385354145.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a congruent number.

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, 61296 + ... + 334735.

It is an arithmetic number, because the mean of its divisors is an integer number (3149048448).

Almost surely, 254145358320 is an apocalyptic number.

It is an amenable number.

54145358320 is an abundant number, since it is smaller than the sum of its proper divisors (71816579600).

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

54145358320 is a wasteful number, since it uses less digits than its factorization.

54145358320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397753 (or 397747 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 54145358320 in words is "fifty-four billion, one hundred forty-five million, three hundred fifty-eight thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1709 3418 6836 8545 13672 17090 27344 34180 68360 136720 396031 792062 1584124 1980155 3168248 3960310 6336496 7920620 15841240 31682480 676816979 1353633958 2707267916 3384084895 5414535832 6768169790 10829071664 13536339580 27072679160 54145358320