Base | Representation |
---|---|
bin | 10101011011101101… |
… | …111010110000110001 |
3 | 2012101212011000200212 |
4 | 111123231322300301 |
5 | 334112440202210 |
6 | 14323341153505 |
7 | 1443204242423 |
oct | 253355726061 |
9 | 65355130625 |
10 | 23013600305 |
11 | 983a639593 |
12 | 456325b895 |
13 | 2229b41697 |
14 | 118462c813 |
15 | 8ea5e9805 |
hex | 55bb7ac31 |
23013600305 has 4 divisors (see below), whose sum is σ = 27616320372. Its totient is φ = 18410880240.
The previous prime is 23013600271. The next prime is 23013600307. The reversal of 23013600305 is 50300631032.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 11456705296 + 11556895009 = 107036^2 + 107503^2 .
It is not a de Polignac number, because 23013600305 - 26 = 23013600241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23013600307) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2301360026 + ... + 2301360035.
It is an arithmetic number, because the mean of its divisors is an integer number (6904080093).
Almost surely, 223013600305 is an apocalyptic number.
It is an amenable number.
23013600305 is a deficient number, since it is larger than the sum of its proper divisors (4602720067).
23013600305 is an equidigital number, since it uses as much as digits as its factorization.
23013600305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4602720066.
The product of its (nonzero) digits is 1620, while the sum is 23.
The spelling of 23013600305 in words is "twenty-three billion, thirteen million, six hundred thousand, three hundred five".
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