Base | Representation |
---|---|
bin | 10101111000000001… |
… | …000010011010010101 |
3 | 2020121221112001100101 |
4 | 111320001002122111 |
5 | 341101010440141 |
6 | 14442421214101 |
7 | 1461030613501 |
oct | 257001023225 |
9 | 66557461311 |
10 | 23488374421 |
11 | 9a63636396 |
12 | 4676261331 |
13 | 22a4303805 |
14 | 11cb6d9301 |
15 | 92712d531 |
hex | 578042695 |
23488374421 has 8 divisors (see below), whose sum is σ = 24154896024. Its totient is φ = 22826311680.
The previous prime is 23488374383. The next prime is 23488374449. The reversal of 23488374421 is 12447388432.
It can be written as a sum of positive squares in 4 ways, for example, as 6870586321 + 16617788100 = 82889^2 + 128910^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23488374421 - 27 = 23488374293 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 (23488374461) 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, 1104030 + ... + 1125103.
It is an arithmetic number, because the mean of its divisors is an integer number (3019362003).
Almost surely, 223488374421 is an apocalyptic number.
It is an amenable number.
23488374421 is a deficient number, since it is larger than the sum of its proper divisors (666521603).
23488374421 is a wasteful number, since it uses less digits than its factorization.
23488374421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2229431.
The product of its digits is 1032192, while the sum is 46.
The spelling of 23488374421 in words is "twenty-three billion, four hundred eighty-eight million, three hundred seventy-four thousand, four hundred twenty-one".
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