Base | Representation |
---|---|
bin | 10101011101011111… |
… | …010000110000000111 |
3 | 2012110221001120100222 |
4 | 111131133100300013 |
5 | 334143042001042 |
6 | 14330322054555 |
7 | 1444014632345 |
oct | 253537206007 |
9 | 65427046328 |
10 | 23043312647 |
11 | 9855392943 |
12 | 45711aa45b |
13 | 2233045754 |
14 | 1188564995 |
15 | 8ed0182d2 |
hex | 55d7d0c07 |
23043312647 has 8 divisors (see below), whose sum is σ = 23221086480. Its totient is φ = 22866051520.
The previous prime is 23043312637. The next prime is 23043312661. The reversal of 23043312647 is 74621334032.
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 23043312647 - 222 = 23039118343 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 (23043312637) 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, 37697 + ... + 217962.
It is an arithmetic number, because the mean of its divisors is an integer number (2902635810).
Almost surely, 223043312647 is an apocalyptic number.
23043312647 is a deficient number, since it is larger than the sum of its proper divisors (177773833).
23043312647 is a wasteful number, since it uses less digits than its factorization.
23043312647 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 256353.
The product of its (nonzero) digits is 72576, while the sum is 35.
Adding to 23043312647 its reverse (74621334032), we get a palindrome (97664646679).
The spelling of 23043312647 in words is "twenty-three billion, forty-three million, three hundred twelve thousand, six hundred forty-seven".
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