Base | Representation |
---|---|
bin | 10110001100011010… |
… | …111101101001000101 |
3 | 2021111210200202021012 |
4 | 112030122331221011 |
5 | 342301130334244 |
6 | 14540410532005 |
7 | 1502355510026 |
oct | 261432755105 |
9 | 67453622235 |
10 | 23830714949 |
11 | a1198a9948 |
12 | 4750a37005 |
13 | 232a207582 |
14 | 1220d70c4d |
15 | 94720289e |
hex | 58c6bda45 |
23830714949 has 4 divisors (see below), whose sum is σ = 24474788364. Its totient is φ = 23186641536.
The previous prime is 23830714891. The next prime is 23830714981. The reversal of 23830714949 is 94941703832.
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 19440724900 + 4389990049 = 139430^2 + 66257^2 .
It is a cyclic number.
It is not a de Polignac number, because 23830714949 - 28 = 23830714693 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 23830714897 and 23830714906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23830714049) 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, 322036652 + ... + 322036725.
It is an arithmetic number, because the mean of its divisors is an integer number (6118697091).
Almost surely, 223830714949 is an apocalyptic number.
It is an amenable number.
23830714949 is a deficient number, since it is larger than the sum of its proper divisors (644073415).
23830714949 is an equidigital number, since it uses as much as digits as its factorization.
23830714949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 644073414.
The product of its (nonzero) digits is 1306368, while the sum is 50.
The spelling of 23830714949 in words is "twenty-three billion, eight hundred thirty million, seven hundred fourteen thousand, nine hundred forty-nine".
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