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84331860431 = 713979553853
BaseRepresentation
bin100111010001010010…
…0100001000111001111
322001200020021101101012
41032202210201013033
52340202424013211
6102424100235435
76043551662210
oct1164244410717
9261606241335
1084331860431
1132846155a25
121441669bb7b
137c4c72b040
1441201d7407
1522d8947d8b
hex13a29211cf

84331860431 has 16 divisors (see below), whose sum is σ = 104863101504. Its totient is φ = 66036225024.

The previous prime is 84331860409. The next prime is 84331860439. The reversal of 84331860431 is 13406813348.

It is not a de Polignac number, because 84331860431 - 26 = 84331860367 is a prime.

It is a super-2 number, since 2×843318604312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84331860439) 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 15 ways as a sum of consecutive naturals, for example, 4768100 + ... + 4785753.

It is an arithmetic number, because the mean of its divisors is an integer number (6553943844).

Almost surely, 284331860431 is an apocalyptic number.

84331860431 is a deficient number, since it is larger than the sum of its proper divisors (20531241073).

84331860431 is a wasteful number, since it uses less digits than its factorization.

84331860431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9553970.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 84331860431 in words is "eighty-four billion, three hundred thirty-one million, eight hundred sixty thousand, four hundred thirty-one".

Divisors: 1 7 13 91 97 679 1261 8827 9553853 66876971 124200089 869400623 926723741 6487066187 12047408633 84331860431