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84854803290 = 23513121591553
BaseRepresentation
bin100111100000110111…
…1011000101101011010
322010000200021122010020
41033001233120231122
52342240312201130
6102552020531310
76062531633025
oct1170157305532
9263020248106
1084854803290
1132a94362704
1214541850b36
138003b86b9a
14416d8421bc
1523197e3e10
hex13c1bd8b5a

84854803290 has 32 divisors (see below), whose sum is σ = 205206129216. Its totient is φ = 22455214080.

The previous prime is 84854803261. The next prime is 84854803291. The reversal of 84854803290 is 9230845848.

It is not an unprimeable number, because it can be changed into a prime (84854803291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10791847 + ... + 10799706.

It is an arithmetic number, because the mean of its divisors is an integer number (6412691538).

Almost surely, 284854803290 is an apocalyptic number.

84854803290 is an abundant number, since it is smaller than the sum of its proper divisors (120351325926).

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

84854803290 is a wasteful number, since it uses less digits than its factorization.

84854803290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21591694.

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 84854803290 in words is "eighty-four billion, eight hundred fifty-four million, eight hundred three thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 131 262 393 655 786 1310 1965 3930 21591553 43183106 64774659 107957765 129549318 215915530 323873295 647746590 2828493443 5656986886 8485480329 14142467215 16970960658 28284934430 42427401645 84854803290