Base | Representation |
---|---|
bin | 10101100001001011… |
… | …000001001111100001 |
3 | 2012122020100110101220 |
4 | 111201023001033201 |
5 | 334304402140410 |
6 | 14340410445253 |
7 | 1445365144422 |
oct | 254113011741 |
9 | 65566313356 |
10 | 23105115105 |
11 | 9887264a56 |
12 | 4589a33829 |
13 | 2242aa3c57 |
14 | 1192851649 |
15 | 903675070 |
hex | 5612c13e1 |
23105115105 has 8 divisors (see below), whose sum is σ = 36968184192. Its totient is φ = 12322728048.
The previous prime is 23105115073. The next prime is 23105115107. The reversal of 23105115105 is 50151150132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23105115105 - 25 = 23105115073 is a prime.
It is a super-2 number, since 2×231051151052 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23105115107) 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, 770170489 + ... + 770170518.
It is an arithmetic number, because the mean of its divisors is an integer number (4621023024).
Almost surely, 223105115105 is an apocalyptic number.
It is an amenable number.
23105115105 is a deficient number, since it is larger than the sum of its proper divisors (13863069087).
23105115105 is a wasteful number, since it uses less digits than its factorization.
23105115105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1540341015.
The product of its (nonzero) digits is 750, while the sum is 24.
Adding to 23105115105 its reverse (50151150132), we get a palindrome (73256265237).
The spelling of 23105115105 in words is "twenty-three billion, one hundred five million, one hundred fifteen thousand, one hundred five".
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