Base | Representation |
---|---|
bin | 10101011100000110… |
… | …111000010110100111 |
3 | 2012102022110111000101 |
4 | 111130012320112213 |
5 | 334121124102124 |
6 | 14324133324531 |
7 | 1443313665364 |
oct | 253406702647 |
9 | 65368414011 |
10 | 23020144039 |
11 | 98432a8a32 |
12 | 4565496747 |
13 | 222b2c3009 |
14 | 118545346b |
15 | 8eae8d644 |
hex | 55c1b85a7 |
23020144039 has 8 divisors (see below), whose sum is σ = 23453866800. Its totient is φ = 22590144576.
The previous prime is 23020143977. The next prime is 23020144061. The reversal of 23020144039 is 93044102032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23020144039 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23020143998 and 23020144016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23020144439) 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, 918342 + ... + 943075.
It is an arithmetic number, because the mean of its divisors is an integer number (2931733350).
Almost surely, 223020144039 is an apocalyptic number.
23020144039 is a deficient number, since it is larger than the sum of its proper divisors (433722761).
23020144039 is a wasteful number, since it uses less digits than its factorization.
23020144039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1861649.
The product of its (nonzero) digits is 5184, while the sum is 28.
The spelling of 23020144039 in words is "twenty-three billion, twenty million, one hundred forty-four thousand, thirty-nine".
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