Base | Representation |
---|---|
bin | 11001011110101001… |
… | …01001000111000111 |
3 | 1022022022011012001022 |
4 | 30233110221013013 |
5 | 211003240423221 |
6 | 10141201021355 |
7 | 662655145511 |
oct | 145724510707 |
9 | 38268135038 |
10 | 13678842311 |
11 | 588a393762 |
12 | 279902485b |
13 | 139cc13a44 |
14 | 93a996bb1 |
15 | 550d454ab |
hex | 32f5291c7 |
13678842311 has 16 divisors (see below), whose sum is σ = 15272674560. Its totient is φ = 12175090560.
The previous prime is 13678842301. The next prime is 13678842427. The reversal of 13678842311 is 11324887631.
It is not a de Polignac number, because 13678842311 - 210 = 13678841287 is a prime.
It is a super-2 number, since 2×136788423112 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13678842301) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147350 + ... + 221516.
It is an arithmetic number, because the mean of its divisors is an integer number (954542160).
Almost surely, 213678842311 is an apocalyptic number.
13678842311 is a deficient number, since it is larger than the sum of its proper divisors (1593832249).
13678842311 is a wasteful number, since it uses less digits than its factorization.
13678842311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74774.
The product of its digits is 193536, while the sum is 44.
The spelling of 13678842311 in words is "thirteen billion, six hundred seventy-eight million, eight hundred forty-two thousand, three hundred eleven".
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