Base | Representation |
---|---|
bin | 10111000010111101… |
… | …10010101000001000 |
3 | 1011221021202102101101 |
4 | 23201132302220020 |
5 | 200314424124010 |
6 | 5403425431144 |
7 | 615416513044 |
oct | 134136625010 |
9 | 34837672341 |
10 | 12372879880 |
11 | 527a193869 |
12 | 249379b4b4 |
13 | 122249bbca |
14 | 855363024 |
15 | 4c637873a |
hex | 2e17b2a08 |
12372879880 has 32 divisors (see below), whose sum is σ = 27858864600. Its totient is φ = 4945616896.
The previous prime is 12372879853. The next prime is 12372879931. The reversal of 12372879880 is 8897827321.
It can be written as a sum of positive squares in 4 ways, for example, as 9649918756 + 2722961124 = 98234^2 + 52182^2 .
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, 53407 + ... + 166126.
Almost surely, 212372879880 is an apocalyptic number.
12372879880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12372879880 is an abundant number, since it is smaller than the sum of its proper divisors (15485984720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12372879880 is a wasteful number, since it uses less digits than its factorization.
12372879880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220953 (or 220949 counting only the distinct ones).
The product of its (nonzero) digits is 2709504, while the sum is 55.
The spelling of 12372879880 in words is "twelve billion, three hundred seventy-two million, eight hundred seventy-nine thousand, eight hundred eighty".
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