Base | Representation |
---|---|
bin | 11000010111110111… |
… | …10100000000101010 |
3 | 1020202220222111221212 |
4 | 30023323310000222 |
5 | 203244243141134 |
6 | 10002231433122 |
7 | 642155530241 |
oct | 141373640052 |
9 | 36686874855 |
10 | 13085130794 |
11 | 560524048a |
12 | 26522257a2 |
13 | 1306c0a558 |
14 | 8c1ba9958 |
15 | 518b6abce |
hex | 30bef402a |
13085130794 has 12 divisors (see below), whose sum is σ = 19812881634. Its totient is φ = 6481408584.
The previous prime is 13085130763. The next prime is 13085130811. The reversal of 13085130794 is 49703158031.
It can be written as a sum of positive squares in only one way, i.e., 11334796225 + 1750334569 = 106465^2 + 41837^2 .
It is a super-3 number, since 3×130851307943 (a number of 31 digits) contains 333 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262829 + ... + 308624.
Almost surely, 213085130794 is an apocalyptic number.
13085130794 is a deficient number, since it is larger than the sum of its proper divisors (6727750840).
13085130794 is an equidigital number, since it uses as much as digits as its factorization.
13085130794 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 571669 (or 571562 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 41.
The spelling of 13085130794 in words is "thirteen billion, eighty-five million, one hundred thirty thousand, seven hundred ninety-four".
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