Base | Representation |
---|---|
bin | 100101100000000001… |
… | …1101110101010010101 |
3 | 21200212101102212210121 |
4 | 1023000003232222111 |
5 | 2304412043124412 |
6 | 100555023551541 |
7 | 5550435266455 |
oct | 1130003565225 |
9 | 250771385717 |
10 | 80531614357 |
11 | 31175aa6897 |
12 | 13735a5b5b1 |
13 | 779530891c |
14 | 3c7d5ddd65 |
15 | 2164ece107 |
hex | 12c00eea95 |
80531614357 has 2 divisors, whose sum is σ = 80531614358. Its totient is φ = 80531614356.
The previous prime is 80531614337. The next prime is 80531614369. The reversal of 80531614357 is 75341613508.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 77813660401 + 2717953956 = 278951^2 + 52134^2 .
It is a cyclic number.
It is not a de Polignac number, because 80531614357 - 223 = 80523225749 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80531614307) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40265807178 + 40265807179.
It is an arithmetic number, because the mean of its divisors is an integer number (40265807179).
Almost surely, 280531614357 is an apocalyptic number.
It is an amenable number.
80531614357 is a deficient number, since it is larger than the sum of its proper divisors (1).
80531614357 is an equidigital number, since it uses as much as digits as its factorization.
80531614357 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 302400, while the sum is 43.
The spelling of 80531614357 in words is "eighty billion, five hundred thirty-one million, six hundred fourteen thousand, three hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •