Base | Representation |
---|---|
bin | 110100101111110011011100… |
… | …100010101010111110101111 |
3 | 1010102101101220010222000110210 |
4 | 310233303130202222332233 |
5 | 220401304123224334030 |
6 | 2141215423033033503 |
7 | 66602152511014146 |
oct | 6457633442527657 |
9 | 1112341803860423 |
10 | 231983473668015 |
11 | 67a0a7030a8383 |
12 | 22027b4bb55893 |
13 | 9c59c42134914 |
14 | 41400baa4075d |
15 | 1bc4651034bb0 |
hex | d2fcdc8aafaf |
231983473668015 has 16 divisors (see below), whose sum is σ = 374096184311808. Its totient is φ = 122750310475296.
The previous prime is 231983473667999. The next prime is 231983473668049. The reversal of 231983473668015 is 510866374389132.
It is a happy number.
It is not a de Polignac number, because 231983473668015 - 24 = 231983473667999 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60888048927 + ... + 60888052736.
It is an arithmetic number, because the mean of its divisors is an integer number (23381011519488).
It is a 1-persistent number, because it is pandigital, but 2⋅231983473668015 = 463966947336030 is not.
Almost surely, 2231983473668015 is an apocalyptic number.
231983473668015 is a deficient number, since it is larger than the sum of its proper divisors (142112710643793).
231983473668015 is a wasteful number, since it uses less digits than its factorization.
231983473668015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121776101798.
The product of its (nonzero) digits is 156764160, while the sum is 66.
The spelling of 231983473668015 in words is "two hundred thirty-one trillion, nine hundred eighty-three billion, four hundred seventy-three million, six hundred sixty-eight thousand, fifteen".
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