Base | Representation |
---|---|
bin | 10110111110111110… |
… | …00111000001011110 |
3 | 1011211221202220221210 |
4 | 23133133013001132 |
5 | 200232342041430 |
6 | 5400232205250 |
7 | 614532150216 |
oct | 133737070136 |
9 | 34757686853 |
10 | 12339408990 |
11 | 5262302677 |
12 | 2484539826 |
13 | 121858014c |
14 | 850b2d246 |
15 | 4c34662b0 |
hex | 2df7c705e |
12339408990 has 32 divisors (see below), whose sum is σ = 29638611360. Its totient is φ = 3287839104.
The previous prime is 12339408967. The next prime is 12339409063. The reversal of 12339408990 is 9980493321.
It is a super-2 number, since 2×123394089902 (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 15 ways as a sum of consecutive naturals, for example, 129145 + ... + 203364.
It is an arithmetic number, because the mean of its divisors is an integer number (926206605).
Almost surely, 212339408990 is an apocalyptic number.
12339408990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12339408990 is an abundant number, since it is smaller than the sum of its proper divisors (17299202370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12339408990 is a wasteful number, since it uses less digits than its factorization.
12339408990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 333756.
The product of its (nonzero) digits is 419904, while the sum is 48.
The spelling of 12339408990 in words is "twelve billion, three hundred thirty-nine million, four hundred eight thousand, nine hundred ninety".
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