Base | Representation |
---|---|
bin | 10110101110000111… |
… | …00011100010000000 |
3 | 1011111002121222101121 |
4 | 23113003203202000 |
5 | 144440134434000 |
6 | 5334220442024 |
7 | 611164005631 |
oct | 132703434200 |
9 | 34432558347 |
10 | 12197968000 |
11 | 519a486999 |
12 | 24450a9314 |
13 | 11c5189c5a |
14 | 83a031888 |
15 | 4b5d27b1a |
hex | 2d70e3880 |
12197968000 has 64 divisors (see below), whose sum is σ = 30327237720. Its totient is φ = 4879180800.
The previous prime is 12197967983. The next prime is 12197968001. The reversal of 12197968000 is 86979121.
It can be written as a sum of positive squares in 4 ways, for example, as 2161134144 + 10036833856 = 46488^2 + 100184^2 .
It is a tau number, because it is divible by the number of its divisors (64).
It is not an unprimeable number, because it can be changed into a prime (12197968001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365187 + ... + 397186.
Almost surely, 212197968000 is an apocalyptic number.
12197968000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12197968000 is an abundant number, since it is smaller than the sum of its proper divisors (18129269720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12197968000 is an frugal number, since it uses more digits than its factorization.
12197968000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 762402 (or 762380 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 43.
The spelling of 12197968000 in words is "twelve billion, one hundred ninety-seven million, nine hundred sixty-eight thousand".
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