Base | Representation |
---|---|
bin | 1011110011111110110110… |
… | …0110001111111111011011 |
3 | 1200222121110012212200102021 |
4 | 2330333231212033333123 |
5 | 3200242223111103341 |
6 | 43342242044315311 |
7 | 2510220425410555 |
oct | 274775546177733 |
9 | 50877405780367 |
10 | 12987672362971 |
11 | 415804a508619 |
12 | 1559121242b37 |
13 | 73296999a537 |
14 | 32c86cabc4d5 |
15 | 177c8c2989d1 |
hex | bcfed98ffdb |
12987672362971 has 2 divisors, whose sum is σ = 12987672362972. Its totient is φ = 12987672362970.
The previous prime is 12987672362963. The next prime is 12987672362983. The reversal of 12987672362971 is 17926327678921.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12987672362971 - 23 = 12987672362963 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12987672362971.
It is not a weakly prime, because it can be changed into another prime (12987672368971) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6493836181485 + 6493836181486.
It is an arithmetic number, because the mean of its divisors is an integer number (6493836181486).
Almost surely, 212987672362971 is an apocalyptic number.
12987672362971 is a deficient number, since it is larger than the sum of its proper divisors (1).
12987672362971 is an equidigital number, since it uses as much as digits as its factorization.
12987672362971 is an evil number, because the sum of its binary digits is even.
The product of its digits is 192036096, while the sum is 70.
The spelling of 12987672362971 in words is "twelve trillion, nine hundred eighty-seven billion, six hundred seventy-two million, three hundred sixty-two thousand, nine hundred seventy-one".
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