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82487872458 = 2324799567139
BaseRepresentation
bin100110011010010101…
…0010000101111001010
321212220201111002102100
41030310222100233022
52322413343404313
6101521105214230
75650061230035
oct1146452205712
9255821432370
1082487872458
1131a8a287522
1213ba1031376
137a176a91b4
143dc735001c
15222bb01173
hex1334a90bca

82487872458 has 24 divisors (see below), whose sum is σ = 179096860800. Its totient is φ = 27438551784.

The previous prime is 82487872429. The next prime is 82487872459. The reversal of 82487872458 is 85427878428.

82487872458 is a `hidden beast` number, since 8 + 2 + 48 + 78 + 72 + 458 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 82487872395 and 82487872404.

It is not an unprimeable number, because it can be changed into a prime (82487872459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4774948 + ... + 4792191.

It is an arithmetic number, because the mean of its divisors is an integer number (7462369200).

Almost surely, 282487872458 is an apocalyptic number.

82487872458 is an abundant number, since it is smaller than the sum of its proper divisors (96608988342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82487872458 is a wasteful number, since it uses less digits than its factorization.

82487872458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9567626 (or 9567623 counting only the distinct ones).

The product of its digits is 64225280, while the sum is 63.

The spelling of 82487872458 in words is "eighty-two billion, four hundred eighty-seven million, eight hundred seventy-two thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 9 18 479 958 1437 2874 4311 8622 9567139 19134278 28701417 57402834 86104251 172208502 4582659581 9165319162 13747978743 27495957486 41243936229 82487872458