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80001000084 = 22325126560757
BaseRepresentation
bin100101010000001101…
…1100110001010010100
321122111101222212212010
41022200123212022110
52302320224000314
6100430231024220
75531333165205
oct1124033461224
9248441885763
1080001000084
1130a2352a4a5
121360820b070
13770c3c5095
143c2cd595ac
15213361a059
hex12a06e6294

80001000084 has 24 divisors (see below), whose sum is σ = 187412708448. Its totient is φ = 26560756000.

The previous prime is 80001000083. The next prime is 80001000091. The reversal of 80001000084 is 48000010008.

It is a self number, because there is not a number n which added to its sum of digits gives 80001000084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80001000083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13277367 + ... + 13283390.

It is an arithmetic number, because the mean of its divisors is an integer number (7808862852).

Almost surely, 280001000084 is an apocalyptic number.

It is an amenable number.

80001000084 is an abundant number, since it is smaller than the sum of its proper divisors (107411708364).

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

80001000084 is a wasteful number, since it uses less digits than its factorization.

80001000084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26561015 (or 26561013 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The spelling of 80001000084 in words is "eighty billion, one million, eighty-four", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 251 502 753 1004 1506 3012 26560757 53121514 79682271 106243028 159364542 318729084 6666750007 13333500014 20000250021 26667000028 40000500042 80001000084