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54131241889 = 198946169439
BaseRepresentation
bin110010011010011110…
…010011001110100001
312011201111111000002201
4302122132103032201
51341330044220024
640511220213201
73624264651514
oct623236231641
9164644430081
1054131241889
1120a5874724a
12a5a853a201
13514892325a
142897288d7b
15161c3e1744
hexc9a7933a1

54131241889 has 16 divisors (see below), whose sum is σ = 57746304000. Its totient is φ = 50595304320.

The previous prime is 54131241887. The next prime is 54131241937. The reversal of 54131241889 is 98814213145.

54131241889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 54131241889 - 21 = 54131241887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54131241881) 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, 744832 + ... + 814270.

It is an arithmetic number, because the mean of its divisors is an integer number (3609144000).

Almost surely, 254131241889 is an apocalyptic number.

It is an amenable number.

54131241889 is a deficient number, since it is larger than the sum of its proper divisors (3615062111).

54131241889 is a wasteful number, since it uses less digits than its factorization.

54131241889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70008.

The product of its digits is 276480, while the sum is 46.

The spelling of 54131241889 in words is "fifty-four billion, one hundred thirty-one million, two hundred forty-one thousand, eight hundred eighty-nine".

Divisors: 1 19 89 461 1691 8759 41029 69439 779551 1319341 6180071 32011379 117421349 608216201 2849012731 54131241889