Base | Representation |
---|---|
bin | 11000101010010001… |
… | …01110100100010111 |
3 | 1021011200110212020002 |
4 | 30111020232210113 |
5 | 204103303330234 |
6 | 10025424401515 |
7 | 646041663236 |
oct | 142510564427 |
9 | 37150425202 |
10 | 13239511319 |
11 | 56843a48a1 |
12 | 2695a7629b |
13 | 132cbb1288 |
14 | 8d84b4b1d |
15 | 5274b327e |
hex | 31522e917 |
13239511319 has 2 divisors, whose sum is σ = 13239511320. Its totient is φ = 13239511318.
The previous prime is 13239511253. The next prime is 13239511331. The reversal of 13239511319 is 91311593231.
It is a strong prime.
It is an emirp because it is prime and its reverse (91311593231) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13239511319 - 212 = 13239507223 is a prime.
It is a super-2 number, since 2×132395113192 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13239511339) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6619755659 + 6619755660.
It is an arithmetic number, because the mean of its divisors is an integer number (6619755660).
Almost surely, 213239511319 is an apocalyptic number.
13239511319 is a deficient number, since it is larger than the sum of its proper divisors (1).
13239511319 is an equidigital number, since it uses as much as digits as its factorization.
13239511319 is an evil number, because the sum of its binary digits is even.
The product of its digits is 21870, while the sum is 38.
The spelling of 13239511319 in words is "thirteen billion, two hundred thirty-nine million, five hundred eleven thousand, three hundred nineteen".
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