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54125157783 = 3151111940251
BaseRepresentation
bin110010011010000111…
…000101110110010111
312011201002000220021110
4302122013011312113
51341322020022113
640510441550103
73624162151554
oct623207056627
9164632026243
1054125157783
1120a55271164
12a5a64a5333
1351475a2ba8
142896543a2b
15161baddbc3
hexc9a1c5d97

54125157783 has 8 divisors (see below), whose sum is σ = 72214644096. Its totient is φ = 36059555000.

The previous prime is 54125157781. The next prime is 54125157791. The reversal of 54125157783 is 38775152145.

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

It is a cyclic number.

It is not a de Polignac number, because 54125157783 - 21 = 54125157781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54125157781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5965593 + ... + 5974658.

It is an arithmetic number, because the mean of its divisors is an integer number (9026830512).

Almost surely, 254125157783 is an apocalyptic number.

54125157783 is a deficient number, since it is larger than the sum of its proper divisors (18089486313).

54125157783 is a wasteful number, since it uses less digits than its factorization.

54125157783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11941765.

The product of its digits is 1176000, while the sum is 48.

The spelling of 54125157783 in words is "fifty-four billion, one hundred twenty-five million, one hundred fifty-seven thousand, seven hundred eighty-three".

Divisors: 1 3 1511 4533 11940251 35820753 18041719261 54125157783