Base | Representation |
---|---|
bin | 10101100001001011… |
… | …011101100010111101 |
3 | 2012122020120100102200 |
4 | 111201023131202331 |
5 | 334304414343122 |
6 | 14340413142113 |
7 | 1445366136420 |
oct | 254113354275 |
9 | 65566510380 |
10 | 23105231037 |
11 | 9887334069 |
12 | 4589a8a939 |
13 | 2242b14955 |
14 | 11928819b7 |
15 | 9036995ac |
hex | 5612dd8bd |
23105231037 has 48 divisors (see below), whose sum is σ = 38409920640. Its totient is φ = 13110460416.
The previous prime is 23105231033. The next prime is 23105231047. The reversal of 23105231037 is 73013250132.
23105231037 is a `hidden beast` number, since 2 + 31 + 0 + 523 + 103 + 7 = 666.
It is not a de Polignac number, because 23105231037 - 22 = 23105231033 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23105231037.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23105231033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13001493 + ... + 13003269.
It is an arithmetic number, because the mean of its divisors is an integer number (800206680).
Almost surely, 223105231037 is an apocalyptic number.
It is an amenable number.
23105231037 is a deficient number, since it is larger than the sum of its proper divisors (15304689603).
23105231037 is a wasteful number, since it uses less digits than its factorization.
23105231037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3122 (or 3119 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 27.
Adding to 23105231037 its reverse (73013250132), we get a palindrome (96118481169).
The spelling of 23105231037 in words is "twenty-three billion, one hundred five million, two hundred thirty-one thousand, thirty-seven".
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