Base | Representation |
---|---|
bin | 10110101111100011… |
… | …10101101011111100 |
3 | 1011111221110101201112 |
4 | 23113301311223330 |
5 | 200001241212423 |
6 | 5335332501152 |
7 | 611402101031 |
oct | 132761655374 |
9 | 34457411645 |
10 | 12210100988 |
11 | 51a6313658 |
12 | 244917a7b8 |
13 | 11c7847637 |
14 | 83b8ad388 |
15 | 4b6e22a78 |
hex | 2d7c75afc |
12210100988 has 24 divisors (see below), whose sum is σ = 22300581408. Its totient is φ = 5838598656.
The previous prime is 12210100937. The next prime is 12210100993. The reversal of 12210100988 is 88900101221.
It is a super-2 number, since 2×122101009882 (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, 1005320 + ... + 1017392.
It is an arithmetic number, because the mean of its divisors is an integer number (929190892).
Almost surely, 212210100988 is an apocalyptic number.
It is an amenable number.
12210100988 is a deficient number, since it is larger than the sum of its proper divisors (10090480420).
12210100988 is a wasteful number, since it uses less digits than its factorization.
12210100988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23093 (or 23091 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 32.
The spelling of 12210100988 in words is "twelve billion, two hundred ten million, one hundred thousand, nine hundred eighty-eight".
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