Base | Representation |
---|---|
bin | 10110101011001100… |
… | …00111010000011001 |
3 | 1011102101112111021201 |
4 | 23111212013100121 |
5 | 144412402112133 |
6 | 5331543434201 |
7 | 610445545216 |
oct | 132546072031 |
9 | 34371474251 |
10 | 12173472793 |
11 | 5187676319 |
12 | 2438a55961 |
13 | 11c0091751 |
14 | 836a96b0d |
15 | 4b3ad9d7d |
hex | 2d5987419 |
12173472793 has 2 divisors, whose sum is σ = 12173472794. Its totient is φ = 12173472792.
The previous prime is 12173472769. The next prime is 12173472803. The reversal of 12173472793 is 39727437121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11643920649 + 529552144 = 107907^2 + 23012^2 .
It is a cyclic number.
It is not a de Polignac number, because 12173472793 - 225 = 12139918361 is a prime.
It is a super-2 number, since 2×121734727932 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12173172793) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6086736396 + 6086736397.
It is an arithmetic number, because the mean of its divisors is an integer number (6086736397).
Almost surely, 212173472793 is an apocalyptic number.
It is an amenable number.
12173472793 is a deficient number, since it is larger than the sum of its proper divisors (1).
12173472793 is an equidigital number, since it uses as much as digits as its factorization.
12173472793 is an evil number, because the sum of its binary digits is even.
The product of its digits is 444528, while the sum is 46.
The spelling of 12173472793 in words is "twelve billion, one hundred seventy-three million, four hundred seventy-two thousand, seven hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.696 sec. • engine limits •