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28054292682 = 23133171134607
BaseRepresentation
bin11010001000001010…
…101000100011001010
32200102011002201201010
4122020022220203022
5424423344331212
620515444504350
72012132360523
oct321012504312
980364081633
1028054292682
1110996a0a359
12552b3ab0b6
132851249cb0
141501c8384a
15ae2ddd03c
hex6882a88ca

28054292682 has 32 divisors (see below), whose sum is σ = 60615297792. Its totient is φ = 8604851904.

The previous prime is 28054292677. The next prime is 28054292771. The reversal of 28054292682 is 28629245082.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542578 + ... + 592029.

It is an arithmetic number, because the mean of its divisors is an integer number (1894228056).

Almost surely, 228054292682 is an apocalyptic number.

28054292682 is an abundant number, since it is smaller than the sum of its proper divisors (32561005110).

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

28054292682 is a wasteful number, since it uses less digits than its factorization.

28054292682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134942.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 28054292682 in words is "twenty-eight billion, fifty-four million, two hundred ninety-two thousand, six hundred eighty-two".

Divisors: 1 2 3 6 13 26 39 78 317 634 951 1902 4121 8242 12363 24726 1134607 2269214 3403821 6807642 14749891 29499782 44249673 88499346 359670419 719340838 1079011257 2158022514 4675715447 9351430894 14027146341 28054292682