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531040504053051 = 321731111962998957
BaseRepresentation
bin111100010111110101000000…
…0100110101111110100111011
32120122020222100210012220200200
41320233222000212233310323
51024101031423014144201
65121232350101533243
7216566260511151306
oct17057520046576473
92518228323186620
10531040504053051
1114422a016382323
124b68725a414223
1319a40b9b6c4b65
14951c6d7349b3d
15415d8aecde386
hex1e2fa809afd3b

531040504053051 has 24 divisors (see below), whose sum is σ = 838378936197504. Its totient is φ = 322453436993280.

The previous prime is 531040504053043. The next prime is 531040504053079. The reversal of 531040504053051 is 150350405040135.

531040504053051 is a `hidden beast` number, since 5 + 3 + 10 + 40 + 504 + 0 + 53 + 0 + 51 = 666.

It is not a de Polignac number, because 531040504053051 - 23 = 531040504053043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531040504052997 and 531040504053015.

It is not an unprimeable number, because it can be changed into a prime (531040504055051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55981494736 + ... + 55981504221.

It is an arithmetic number, because the mean of its divisors is an integer number (34932455674896).

Almost surely, 2531040504053051 is an apocalyptic number.

531040504053051 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

531040504053051 is a deficient number, since it is larger than the sum of its proper divisors (307338432144453).

531040504053051 is a wasteful number, since it uses less digits than its factorization.

531040504053051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111962999011 (or 111962999008 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 531040504053051 its reverse (150350405040135), we get a palindrome (681390909093186).

The spelling of 531040504053051 in words is "five hundred thirty-one trillion, forty billion, five hundred four million, fifty-three thousand, fifty-one".

Divisors: 1 3 9 17 31 51 93 153 279 527 1581 4743 111962998957 335888996871 1007666990613 1903370982269 3470852967667 5710112946807 10412558903001 17130338840421 31237676709003 59004500450339 177013501351017 531040504053051