Base | Representation |
---|---|
bin | 10101100011010110… |
… | …110110010101000101 |
3 | 2012201210022202020112 |
4 | 111203112312111011 |
5 | 334343243124230 |
6 | 14344200242405 |
7 | 1446321542564 |
oct | 254326662505 |
9 | 65653282215 |
10 | 23141770565 |
11 | 98a5a20821 |
12 | 459a170405 |
13 | 224a569384 |
14 | 1197673bdb |
15 | 9069b5d95 |
hex | 5635b6545 |
23141770565 has 8 divisors (see below), whose sum is σ = 27771360408. Its totient is φ = 18512592640.
The previous prime is 23141770481. The next prime is 23141770567. The reversal of 23141770565 is 56507714132.
It can be written as a sum of positive squares in 4 ways, for example, as 9707569729 + 13434200836 = 98527^2 + 115906^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23141770565 - 212 = 23141766469 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23141770567) 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, 38225 + ... + 218505.
It is an arithmetic number, because the mean of its divisors is an integer number (3471420051).
Almost surely, 223141770565 is an apocalyptic number.
It is an amenable number.
23141770565 is a deficient number, since it is larger than the sum of its proper divisors (4629589843).
23141770565 is a wasteful number, since it uses less digits than its factorization.
23141770565 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205959.
The product of its (nonzero) digits is 176400, while the sum is 41.
The spelling of 23141770565 in words is "twenty-three billion, one hundred forty-one million, seven hundred seventy thousand, five hundred sixty-five".
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