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54145313246 = 261443814043
BaseRepresentation
bin110010011011010011…
…111110100111011110
312011202110221220101002
4302123103332213132
51341342200010441
640512441550302
73624525366053
oct623323764736
9164673856332
1054145313246
1120a65688272
12a5b11a5392
13514b80bcbb
1428990ad02a
15161d770b9b
hexc9b4fe9de

54145313246 has 8 divisors (see below), whose sum is σ = 82549412184. Its totient is φ = 26628842520.

The previous prime is 54145313239. The next prime is 54145313267. The reversal of 54145313246 is 64231354145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221906900 + ... + 221907143.

It is an arithmetic number, because the mean of its divisors is an integer number (10318676523).

Almost surely, 254145313246 is an apocalyptic number.

54145313246 is a deficient number, since it is larger than the sum of its proper divisors (28404098938).

54145313246 is a wasteful number, since it uses less digits than its factorization.

54145313246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443814106.

The product of its digits is 172800, while the sum is 38.

The spelling of 54145313246 in words is "fifty-four billion, one hundred forty-five million, three hundred thirteen thousand, two hundred forty-six".

Divisors: 1 2 61 122 443814043 887628086 27072656623 54145313246