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54131248307 = 371917659721
BaseRepresentation
bin110010011010011110…
…010100110010110011
312011201111111022220102
4302122132110302303
51341330044421212
640511220303015
73624265006313
oct623236246263
9164644438812
1054131248307
1120a58751054
12a5a8541a6b
135148926156
14289728b443
15161c3e35c2
hexc9a794cb3

54131248307 has 8 divisors (see below), whose sum is σ = 55885331712. Its totient is φ = 52392484800.

The previous prime is 54131248291. The next prime is 54131248361. The reversal of 54131248307 is 70384213145.

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 54131248307 - 24 = 54131248291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54131245307) 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, 3822794 + ... + 3836927.

It is an arithmetic number, because the mean of its divisors is an integer number (6985666464).

Almost surely, 254131248307 is an apocalyptic number.

54131248307 is a deficient number, since it is larger than the sum of its proper divisors (1754083405).

54131248307 is a wasteful number, since it uses less digits than its factorization.

54131248307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659949.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 54131248307 in words is "fifty-four billion, one hundred thirty-one million, two hundred forty-eight thousand, three hundred seven".

Divisors: 1 37 191 7067 7659721 283409677 1463006711 54131248307