Base | Representation |
---|---|
bin | 10110101111101010… |
… | …10001101101010000 |
3 | 1011112000011011221110 |
4 | 23113311101231100 |
5 | 200002004032232 |
6 | 5335404053320 |
7 | 611412543324 |
oct | 132765215520 |
9 | 34460134843 |
10 | 12211002192 |
11 | 51a6879754 |
12 | 2449534240 |
13 | 11c7aa18ac |
14 | 83ba65984 |
15 | 4b704eacc |
hex | 2d7d51b50 |
12211002192 has 40 divisors (see below), whose sum is σ = 31944403840. Its totient is φ = 4018809600.
The previous prime is 12211002169. The next prime is 12211002263. The reversal of 12211002192 is 29120011221.
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, 1606309 + ... + 1613892.
It is an arithmetic number, because the mean of its divisors is an integer number (798610096).
Almost surely, 212211002192 is an apocalyptic number.
12211002192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12211002192 is an abundant number, since it is smaller than the sum of its proper divisors (19733401648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12211002192 is a wasteful number, since it uses less digits than its factorization.
12211002192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3220291 (or 3220285 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 21.
The spelling of 12211002192 in words is "twelve billion, two hundred eleven million, two thousand, one hundred ninety-two".
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