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84187051188 = 22311815940379
BaseRepresentation
bin100111001100111110…
…0000111010010110100
322001022010210022102220
41032121330013102310
52334403341114223
6102401444402340
76040143061632
oct1163174072264
9261263708386
1084187051188
1132781439669
12143960a63b0
137c287289b6
144108ca0352
1522cad916e3
hex1399f074b4

84187051188 has 24 divisors (see below), whose sum is σ = 196602816480. Its totient is φ = 28038584160.

The previous prime is 84187051187. The next prime is 84187051213. The reversal of 84187051188 is 88115078148.

It is a super-2 number, since 2×841870511882 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84187051188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84187051183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2956018 + ... + 2984361.

It is an arithmetic number, because the mean of its divisors is an integer number (8191784020).

Almost surely, 284187051188 is an apocalyptic number.

It is an amenable number.

84187051188 is an abundant number, since it is smaller than the sum of its proper divisors (112415765292).

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

84187051188 is a wasteful number, since it uses less digits than its factorization.

84187051188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941567 (or 5941565 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 51.

The spelling of 84187051188 in words is "eighty-four billion, one hundred eighty-seven million, fifty-one thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 12 1181 2362 3543 4724 7086 14172 5940379 11880758 17821137 23761516 35642274 71284548 7015587599 14031175198 21046762797 28062350396 42093525594 84187051188