Base | Representation |
---|---|
bin | 10111000011110011… |
… | …11110111000101000 |
3 | 1011221210011120021221 |
4 | 23201321332320220 |
5 | 200323240223401 |
6 | 5404242311424 |
7 | 615534221500 |
oct | 134171767050 |
9 | 34853146257 |
10 | 12380007976 |
11 | 5283212256 |
12 | 2496058574 |
13 | 1223ac650b |
14 | 85629aa00 |
15 | 4c6cd57a1 |
hex | 2e1e7ee28 |
12380007976 has 48 divisors (see below), whose sum is σ = 27873383040. Its totient is φ = 5134560480.
The previous prime is 12380007953. The next prime is 12380007977. The reversal of 12380007976 is 67970008321.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (12380007977) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497230 + ... + 521533.
It is an arithmetic number, because the mean of its divisors is an integer number (580695480).
Almost surely, 212380007976 is an apocalyptic number.
It is an amenable number.
12380007976 is an abundant number, since it is smaller than the sum of its proper divisors (15493375064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12380007976 is a wasteful number, since it uses less digits than its factorization.
12380007976 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1018814 (or 1018803 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 43.
The spelling of 12380007976 in words is "twelve billion, three hundred eighty million, seven thousand, nine hundred seventy-six".
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