Base | Representation |
---|---|
bin | 11000100110111111… |
… | …10101000111010101 |
3 | 1021002202201210122022 |
4 | 30103133311013111 |
5 | 204024233404023 |
6 | 10023003142525 |
7 | 645256154243 |
oct | 142337650725 |
9 | 37082653568 |
10 | 13212013013 |
11 | 566a922a21 |
12 | 2688814a45 |
13 | 13272a3ba4 |
14 | 8d4997793 |
15 | 524d807c8 |
hex | 3137f51d5 |
13212013013 has 8 divisors (see below), whose sum is σ = 13410149376. Its totient is φ = 13015220400.
The previous prime is 13212012959. The next prime is 13212013043. The reversal of 13212013013 is 31031021231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13212013013 - 26 = 13212012949 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13212012982 and 13212013000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13212013043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316118 + ... + 355463.
It is an arithmetic number, because the mean of its divisors is an integer number (1676268672).
Almost surely, 213212013013 is an apocalyptic number.
It is an amenable number.
13212013013 is a deficient number, since it is larger than the sum of its proper divisors (198136363).
13212013013 is a wasteful number, since it uses less digits than its factorization.
13212013013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 671875.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 13212013013 its reverse (31031021231), we get a palindrome (44243034244).
The spelling of 13212013013 in words is "thirteen billion, two hundred twelve million, thirteen thousand, thirteen".
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