Base | Representation |
---|---|
bin | 11000111011001110… |
… | …00011111010100111 |
3 | 1021112120222211002200 |
4 | 30131213003322213 |
5 | 204401202241212 |
6 | 10051503505543 |
7 | 652416260445 |
oct | 143547037247 |
9 | 37476884080 |
10 | 13381680807 |
11 | 5747678940 |
12 | 27155b82b3 |
13 | 135349ac31 |
14 | 90d321b95 |
15 | 534be76dc |
hex | 31d9c3ea7 |
13381680807 has 36 divisors (see below), whose sum is σ = 22043026824. Its totient is φ = 7757465760.
The previous prime is 13381680803. The next prime is 13381680817. The reversal of 13381680807 is 70808618331.
It is not a de Polignac number, because 13381680807 - 22 = 13381680803 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13381680803) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75388 + ... + 180129.
Almost surely, 213381680807 is an apocalyptic number.
13381680807 is a deficient number, since it is larger than the sum of its proper divisors (8661346017).
13381680807 is a wasteful number, since it uses less digits than its factorization.
13381680807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255580 (or 255554 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The spelling of 13381680807 in words is "thirteen billion, three hundred eighty-one million, six hundred eighty thousand, eight hundred seven".
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