Base | Representation |
---|---|
bin | 10101110110111011… |
… | …011111001101010011 |
3 | 2020120200012202120022 |
4 | 111312323133031103 |
5 | 341031324023131 |
6 | 14440530334055 |
7 | 1460416626551 |
oct | 256673371523 |
9 | 66520182508 |
10 | 23470142291 |
11 | 9a54313312 |
12 | 467012a32b |
13 | 22a05bbc7b |
14 | 11c9110bd1 |
15 | 92572b37b |
hex | 576edf353 |
23470142291 has 4 divisors (see below), whose sum is σ = 23854898784. Its totient is φ = 23085385800.
The previous prime is 23470142281. The next prime is 23470142303. The reversal of 23470142291 is 19224107432.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23470142291 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23470142231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192378155 + ... + 192378276.
It is an arithmetic number, because the mean of its divisors is an integer number (5963724696).
Almost surely, 223470142291 is an apocalyptic number.
23470142291 is a deficient number, since it is larger than the sum of its proper divisors (384756493).
23470142291 is an equidigital number, since it uses as much as digits as its factorization.
23470142291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 384756492.
The product of its (nonzero) digits is 24192, while the sum is 35.
The spelling of 23470142291 in words is "twenty-three billion, four hundred seventy million, one hundred forty-two thousand, two hundred ninety-one".
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