Base | Representation |
---|---|
bin | 1011110010000110001110… |
… | …0100110101110010000101 |
3 | 1200212111212120110010002111 |
4 | 2330201203210311302011 |
5 | 3144224414220412342 |
6 | 43315325020141021 |
7 | 2504663132523601 |
oct | 274414344656205 |
9 | 50774776403074 |
10 | 12955291966597 |
11 | 4145343631562 |
12 | 15529a5097771 |
13 | 72c8a93c1696 |
14 | 32b07a478501 |
15 | 176ee46bc217 |
hex | bc863935c85 |
12955291966597 has 2 divisors, whose sum is σ = 12955291966598. Its totient is φ = 12955291966596.
The previous prime is 12955291966579. The next prime is 12955291966621. The reversal of 12955291966597 is 79566919255921.
Together with previous prime (12955291966579) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7473695245636 + 5481596720961 = 2733806^2 + 2341281^2 .
It is a cyclic number.
It is not a de Polignac number, because 12955291966597 - 27 = 12955291966469 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12955291936597) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6477645983298 + 6477645983299.
It is an arithmetic number, because the mean of its divisors is an integer number (6477645983299).
Almost surely, 212955291966597 is an apocalyptic number.
It is an amenable number.
12955291966597 is a deficient number, since it is larger than the sum of its proper divisors (1).
12955291966597 is an equidigital number, since it uses as much as digits as its factorization.
12955291966597 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 826686000, while the sum is 76.
The spelling of 12955291966597 in words is "twelve trillion, nine hundred fifty-five billion, two hundred ninety-one million, nine hundred sixty-six thousand, five hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •