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80950967106 = 23118111424071
BaseRepresentation
bin100101101100100001…
…1011011101101000010
321201221121112012121220
41023121003123231002
52311241421421411
6101104404055510
75564016603312
oct1133103335502
9251847465556
1080950967106
113137078a809
1213832394596
137831164b49
143cbd1a1442
15218bc16b06
hex12d90dbb42

80950967106 has 16 divisors (see below), whose sum is σ = 162039037248. Its totient is φ = 26960805200.

The previous prime is 80950967101. The next prime is 80950967129. The reversal of 80950967106 is 60176905908.

It is not an unprimeable number, because it can be changed into a prime (80950967101) 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, 5704950 + ... + 5719121.

It is an arithmetic number, because the mean of its divisors is an integer number (10127439828).

Almost surely, 280950967106 is an apocalyptic number.

80950967106 is an abundant number, since it is smaller than the sum of its proper divisors (81088070142).

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

80950967106 is a wasteful number, since it uses less digits than its factorization.

80950967106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11425257.

The product of its (nonzero) digits is 816480, while the sum is 51.

The spelling of 80950967106 in words is "eighty billion, nine hundred fifty million, nine hundred sixty-seven thousand, one hundred six".

Divisors: 1 2 3 6 1181 2362 3543 7086 11424071 22848142 34272213 68544426 13491827851 26983655702 40475483553 80950967106