Base | Representation |
---|---|
bin | 10110101111010001… |
… | …10000001000010100 |
3 | 1011111202222101011020 |
4 | 23113220300020110 |
5 | 200000134001212 |
6 | 5335205441140 |
7 | 611342620203 |
oct | 132750601024 |
9 | 34452871136 |
10 | 12207718932 |
11 | 51a4a36a12 |
12 | 24484101b0 |
13 | 11c71c2336 |
14 | 83b44d23a |
15 | 4b6b01d8c |
hex | 2d7a30214 |
12207718932 has 24 divisors (see below), whose sum is σ = 28486525536. Its totient is φ = 4068975648.
The previous prime is 12207718927. The next prime is 12207718949. The reversal of 12207718932 is 23981770221.
It is a super-2 number, since 2×122077189322 (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, 273663 + ... + 315129.
It is an arithmetic number, because the mean of its divisors is an integer number (1186938564).
Almost surely, 212207718932 is an apocalyptic number.
12207718932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12207718932 is an abundant number, since it is smaller than the sum of its proper divisors (16278806604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12207718932 is a wasteful number, since it uses less digits than its factorization.
12207718932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66007 (or 66005 counting only the distinct ones).
The product of its (nonzero) digits is 84672, while the sum is 42.
The spelling of 12207718932 in words is "twelve billion, two hundred seven million, seven hundred eighteen thousand, nine hundred thirty-two".
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