Base | Representation |
---|---|
bin | 10101100011011100… |
… | …000000101010101011 |
3 | 2012201212212111021221 |
4 | 111203130000222223 |
5 | 334344114424002 |
6 | 14344245242511 |
7 | 1446336206431 |
oct | 254334005253 |
9 | 65655774257 |
10 | 23143123627 |
11 | 98a6765358 |
12 | 459a703437 |
13 | 224a9211c0 |
14 | 1197906d51 |
15 | 906b81c37 |
hex | 563700aab |
23143123627 has 4 divisors (see below), whose sum is σ = 24923363920. Its totient is φ = 21362883336.
The previous prime is 23143123607. The next prime is 23143123631. The reversal of 23143123627 is 72632134132.
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-23143123627 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23143123592 and 23143123601.
It is not an unprimeable number, because it can be changed into a prime (23143123607) 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, 890120127 + ... + 890120152.
It is an arithmetic number, because the mean of its divisors is an integer number (6230840980).
Almost surely, 223143123627 is an apocalyptic number.
23143123627 is a deficient number, since it is larger than the sum of its proper divisors (1780240293).
23143123627 is a wasteful number, since it uses less digits than its factorization.
23143123627 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1780240292.
The product of its digits is 36288, while the sum is 34.
Adding to 23143123627 its reverse (72632134132), we get a palindrome (95775257759).
The spelling of 23143123627 in words is "twenty-three billion, one hundred forty-three million, one hundred twenty-three thousand, six hundred twenty-seven".
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