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28076164902912 = 2123717103318587
BaseRepresentation
bin1100110001000111111011…
…10101011111000000000000
310200102001111012112212100010
412120203331311133000000
512134444441203343122
6135414002340224520
75625302353025520
oct630437565370000
9120361435485303
1028076164902912
118a45042164125
12319542299b140
131288756607589
146d0c721a9680
1533a4d3769e0c
hex1988fdd5f000

28076164902912 has 416 divisors, whose sum is σ = 90680229775872. Its totient is φ = 7542178578432.

The previous prime is 28076164902859. The next prime is 28076164902931. The reversal of 28076164902912 is 21920946167082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1510517683 + ... + 1510536269.

Almost surely, 228076164902912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28076164902912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45340114887936).

28076164902912 is an abundant number, since it is smaller than the sum of its proper divisors (62604064872960).

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

28076164902912 is a wasteful number, since it uses less digits than its factorization.

28076164902912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19671 (or 19649 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 28076164902912 in words is "twenty-eight trillion, seventy-six billion, one hundred sixty-four million, nine hundred two thousand, nine hundred twelve".