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54198830321 = 400113546321
BaseRepresentation
bin110010011110100000…
…001000010011110001
312011220012122211222222
4302132200020103301
51341444400032241
640522033010425
73626045312366
oct623640102361
9164805584888
1054198830321
1120a92910459
12a6070b3a15
1351599291cc
1428a224046d
1516232e2a4b
hexc9e8084f1

54198830321 has 4 divisors (see below), whose sum is σ = 54212380644. Its totient is φ = 54185280000.

The previous prime is 54198830317. The next prime is 54198830333. The reversal of 54198830321 is 12303889145.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10959786721 + 43239043600 = 104689^2 + 207940^2 .

It is a cyclic number.

It is not a de Polignac number, because 54198830321 - 22 = 54198830317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54198830221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6769160 + ... + 6777161.

It is an arithmetic number, because the mean of its divisors is an integer number (13553095161).

Almost surely, 254198830321 is an apocalyptic number.

It is an amenable number.

54198830321 is a deficient number, since it is larger than the sum of its proper divisors (13550323).

54198830321 is a wasteful number, since it uses less digits than its factorization.

54198830321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13550322.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 54198830321 in words is "fifty-four billion, one hundred ninety-eight million, eight hundred thirty thousand, three hundred twenty-one".

Divisors: 1 4001 13546321 54198830321