Base | Representation |
---|---|
bin | 10101110010010000… |
… | …111010000101110001 |
3 | 2020101012221012000101 |
4 | 111302100322011301 |
5 | 340401304340340 |
6 | 14425052552401 |
7 | 1455446424433 |
oct | 256220720561 |
9 | 66335835011 |
10 | 23391871345 |
11 | 9a14113187 |
12 | 4649a82701 |
13 | 228a3158bb |
14 | 11bc978653 |
15 | 91d919c9a |
hex | 57243a171 |
23391871345 has 8 divisors (see below), whose sum is σ = 28975737600. Its totient is φ = 18109835760.
The previous prime is 23391871333. The next prime is 23391871379. The reversal of 23391871345 is 54317819332.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23391871345 - 25 = 23391871313 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23391871295 and 23391871304.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75457495 + ... + 75457804.
It is an arithmetic number, because the mean of its divisors is an integer number (3621967200).
Almost surely, 223391871345 is an apocalyptic number.
It is an amenable number.
23391871345 is a deficient number, since it is larger than the sum of its proper divisors (5583866255).
23391871345 is a wasteful number, since it uses less digits than its factorization.
23391871345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150915335.
The product of its digits is 544320, while the sum is 46.
The spelling of 23391871345 in words is "twenty-three billion, three hundred ninety-one million, eight hundred seventy-one thousand, three hundred forty-five".
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