Base | Representation |
---|---|
bin | 11001101110100000… |
… | …01010010010010111 |
3 | 1022122120111110120222 |
4 | 30313100022102113 |
5 | 211241320311312 |
6 | 10202312344555 |
7 | 666162041621 |
oct | 146720122227 |
9 | 38576443528 |
10 | 13811885207 |
11 | 59484a386a |
12 | 28156a515b |
13 | 13c1656553 |
14 | 950509c11 |
15 | 55c875672 |
hex | 33740a497 |
13811885207 has 8 divisors (see below), whose sum is σ = 13873708992. Its totient is φ = 13750099200.
The previous prime is 13811885203. The next prime is 13811885221. The reversal of 13811885207 is 70258811831.
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 13811885207 - 22 = 13811885203 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13811885203) 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, 927938 + ... + 942704.
It is an arithmetic number, because the mean of its divisors is an integer number (1734213624).
Almost surely, 213811885207 is an apocalyptic number.
13811885207 is a deficient number, since it is larger than the sum of its proper divisors (61823785).
13811885207 is a wasteful number, since it uses less digits than its factorization.
13811885207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18889.
The product of its (nonzero) digits is 107520, while the sum is 44.
The spelling of 13811885207 in words is "thirteen billion, eight hundred eleven million, eight hundred eighty-five thousand, two hundred seven".
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