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54131455005 = 3511093325319
BaseRepresentation
bin110010011010011111…
…000111010000011101
312011201111212211102220
4302122133013100131
51341330123030010
640511224535553
73624266530035
oct623237072035
9164644784386
1054131455005
1120a58882381
12a5a86215b9
135148999264
1428973028c5
15161c434970
hexc9a7c741d

54131455005 has 16 divisors (see below), whose sum is σ = 86618401920. Its totient is φ = 28867418048.

The previous prime is 54131455003. The next prime is 54131455033. The reversal of 54131455005 is 50055413145.

It is a cyclic number.

It is not a de Polignac number, because 54131455005 - 21 = 54131455003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54131455003) 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 15 ways as a sum of consecutive naturals, for example, 3736 + ... + 329054.

It is an arithmetic number, because the mean of its divisors is an integer number (5413650120).

Almost surely, 254131455005 is an apocalyptic number.

It is an amenable number.

54131455005 is a deficient number, since it is larger than the sum of its proper divisors (32486946915).

54131455005 is a wasteful number, since it uses less digits than its factorization.

54131455005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336420.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 54131455005 in words is "fifty-four billion, one hundred thirty-one million, four hundred fifty-five thousand, five".

Divisors: 1 3 5 15 11093 33279 55465 166395 325319 975957 1626595 4879785 3608763667 10826291001 18043818335 54131455005