Base | Representation |
---|---|
bin | 1011000110001001010111… |
… | …0110000110111011011011 |
3 | 1121012022220101102100011100 |
4 | 2301202111312012323123 |
5 | 3044342023101004404 |
6 | 41540412035202443 |
7 | 2366302565245020 |
oct | 261422566067333 |
9 | 47168811370140 |
10 | 12200221109979 |
11 | 39840a2837221 |
12 | 1450599446423 |
13 | 6a6625777766 |
14 | 3026cb1b9547 |
15 | 1625509bdd39 |
hex | b1895d86edb |
12200221109979 has 24 divisors (see below), whose sum is σ = 20172689503200. Its totient is φ = 6960255781248.
The previous prime is 12200221109911. The next prime is 12200221110019. The reversal of 12200221109979 is 97990112200221.
It is not a de Polignac number, because 12200221109979 - 224 = 12200204332763 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12200221109179) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156893304 + ... + 156971045.
It is an arithmetic number, because the mean of its divisors is an integer number (840528729300).
Almost surely, 212200221109979 is an apocalyptic number.
12200221109979 is a deficient number, since it is larger than the sum of its proper divisors (7972468393221).
12200221109979 is a wasteful number, since it uses less digits than its factorization.
12200221109979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313864979 (or 313864976 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 45.
The spelling of 12200221109979 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, one hundred nine thousand, nine hundred seventy-nine".
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