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84130667470655 = 5131462918847557
BaseRepresentation
bin10011001000010000110010…
…100011001001111100111111
3102000212210221212102222210022
4103020100302203021330333
542011344101333030110
6454533032312002355
723502145240240421
oct2310206243117477
9360783855388708
1084130667470655
1124896685561483
1295291063903bb
1337c3645bc2510
1416abd35caa811
159ad672151755
hex4c84328c9f3f

84130667470655 has 16 divisors (see below), whose sum is σ = 108723464214624. Its totient is φ = 62126830427520.

The previous prime is 84130667470627. The next prime is 84130667470679. The reversal of 84130667470655 is 55607476603148.

It is a happy number.

It is not a de Polignac number, because 84130667470655 - 232 = 84126372503359 is a prime.

It is a super-2 number, since 2×841306674706552 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5085137 + ... + 13932693.

It is an arithmetic number, because the mean of its divisors is an integer number (6795216513414).

Almost surely, 284130667470655 is an apocalyptic number.

84130667470655 is a deficient number, since it is larger than the sum of its proper divisors (24592796743969).

84130667470655 is a wasteful number, since it uses less digits than its factorization.

84130667470655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8993866.

The product of its (nonzero) digits is 101606400, while the sum is 62.

The spelling of 84130667470655 in words is "eighty-four trillion, one hundred thirty billion, six hundred sixty-seven million, four hundred seventy thousand, six hundred fifty-five".

Divisors: 1 5 13 65 146291 731455 1901783 8847557 9508915 44237785 115018241 575091205 1294317961087 6471589805435 16826133494131 84130667470655