Base | Representation |
---|---|
bin | 11000111111110101… |
… | …10100100100101111 |
3 | 1021122021212201210202 |
4 | 30133322310210233 |
5 | 204441111242104 |
6 | 10055410024115 |
7 | 653366435105 |
oct | 143772644457 |
9 | 37567781722 |
10 | 13420415279 |
11 | 57675246a7 |
12 | 272657803b |
13 | 135b51073b |
14 | 914525c75 |
15 | 5382e951e |
hex | 31feb492f |
13420415279 has 2 divisors, whose sum is σ = 13420415280. Its totient is φ = 13420415278.
The previous prime is 13420415269. The next prime is 13420415339. The reversal of 13420415279 is 97251402431.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13420415279 - 220 = 13419366703 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13420415209) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710207639 + 6710207640.
It is an arithmetic number, because the mean of its divisors is an integer number (6710207640).
Almost surely, 213420415279 is an apocalyptic number.
13420415279 is a deficient number, since it is larger than the sum of its proper divisors (1).
13420415279 is an equidigital number, since it uses as much as digits as its factorization.
13420415279 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 60480, while the sum is 38.
The spelling of 13420415279 in words is "thirteen billion, four hundred twenty million, four hundred fifteen thousand, two hundred seventy-nine".
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