Base | Representation |
---|---|
bin | 10111110101011000… |
… | …01000010000010110 |
3 | 1020000202120022222020 |
4 | 23322230020100112 |
5 | 202201211303432 |
6 | 5513414314010 |
7 | 632043364005 |
oct | 137254102026 |
9 | 36022508866 |
10 | 12795806742 |
11 | 5476998aa4 |
12 | 2591358906 |
13 | 128bca9ba4 |
14 | 8955b4c3c |
15 | 4ed56a22c |
hex | 2fab08416 |
12795806742 has 16 divisors (see below), whose sum is σ = 25761096192. Its totient is φ = 4237021800.
The previous prime is 12795806693. The next prime is 12795806783. The reversal of 12795806742 is 24760859721.
It is a happy number.
It is a super-2 number, since 2×127958067422 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7060798 + ... + 7062609.
It is an arithmetic number, because the mean of its divisors is an integer number (1610068512).
Almost surely, 212795806742 is an apocalyptic number.
12795806742 is an abundant number, since it is smaller than the sum of its proper divisors (12965289450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12795806742 is a wasteful number, since it uses less digits than its factorization.
12795806742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14123563.
The product of its (nonzero) digits is 1693440, while the sum is 51.
The spelling of 12795806742 in words is "twelve billion, seven hundred ninety-five million, eight hundred six thousand, seven hundred forty-two".
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