Base | Representation |
---|---|
bin | 10101100001001011… |
… | …111010101000001011 |
3 | 2012122020210101211110 |
4 | 111201023322220023 |
5 | 334304432201110 |
6 | 14340415501403 |
7 | 1445400143616 |
oct | 254113725013 |
9 | 65566711743 |
10 | 23105350155 |
11 | 9887405608 |
12 | 4589b27863 |
13 | 2242b56c34 |
14 | 11928b317d |
15 | 9036bea20 |
hex | 5612faa0b |
23105350155 has 32 divisors (see below), whose sum is σ = 37205360640. Its totient is φ = 12244169600.
The previous prime is 23105350153. The next prime is 23105350181. The reversal of 23105350155 is 55105350132.
It is not a de Polignac number, because 23105350155 - 21 = 23105350153 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23105350153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1537930 + ... + 1552880.
It is an arithmetic number, because the mean of its divisors is an integer number (1162667520).
Almost surely, 223105350155 is an apocalyptic number.
23105350155 is a deficient number, since it is larger than the sum of its proper divisors (14100010485).
23105350155 is a wasteful number, since it uses less digits than its factorization.
23105350155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15611.
The product of its (nonzero) digits is 11250, while the sum is 30.
The spelling of 23105350155 in words is "twenty-three billion, one hundred five million, three hundred fifty thousand, one hundred fifty-five".
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