Base | Representation |
---|---|
bin | 10111111111010110… |
… | …00000101111011110 |
3 | 1020020120212022020012 |
4 | 23333223000233132 |
5 | 202334111244102 |
6 | 5530002123222 |
7 | 634110043565 |
oct | 137753005736 |
9 | 36216768205 |
10 | 12879399902 |
11 | 550a0a3856 |
12 | 25b5350512 |
13 | 12a33c78b5 |
14 | 8a2734bdc |
15 | 505a7d752 |
hex | 2ffac0bde |
12879399902 has 8 divisors (see below), whose sum is σ = 19985275800. Its totient is φ = 6217641304.
The previous prime is 12879399899. The next prime is 12879399959. The reversal of 12879399902 is 20999397821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111029252 + ... + 111029367.
It is an arithmetic number, because the mean of its divisors is an integer number (2498159475).
Almost surely, 212879399902 is an apocalyptic number.
12879399902 is a deficient number, since it is larger than the sum of its proper divisors (7105875898).
12879399902 is a wasteful number, since it uses less digits than its factorization.
12879399902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222058650.
The product of its (nonzero) digits is 4408992, while the sum is 59.
The spelling of 12879399902 in words is "twelve billion, eight hundred seventy-nine million, three hundred ninety-nine thousand, nine hundred two".
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