Base | Representation |
---|---|
bin | 10101101000000101… |
… | …000101011101001111 |
3 | 2012221022102000121121 |
4 | 111220011011131033 |
5 | 340024034000030 |
6 | 14400110341411 |
7 | 1451303146333 |
oct | 255005053517 |
9 | 65838360547 |
10 | 23221000015 |
11 | 9936716004 |
12 | 46007ba867 |
13 | 2260ab9ac5 |
14 | 11a3db97c3 |
15 | 90d91647a |
hex | 56814574f |
23221000015 has 8 divisors (see below), whose sum is σ = 28618313760. Its totient is φ = 18074724192.
The previous prime is 23221000001. The next prime is 23221000021. The reversal of 23221000015 is 51000012232.
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 23221000015 - 25 = 23220999983 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62759275 + ... + 62759644.
It is an arithmetic number, because the mean of its divisors is an integer number (3577289220).
Almost surely, 223221000015 is an apocalyptic number.
23221000015 is a deficient number, since it is larger than the sum of its proper divisors (5397313745).
23221000015 is a wasteful number, since it uses less digits than its factorization.
23221000015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125518961.
The product of its (nonzero) digits is 120, while the sum is 16.
Adding to 23221000015 its reverse (51000012232), we get a palindrome (74221012247).
The spelling of 23221000015 in words is "twenty-three billion, two hundred twenty-one million, fifteen", and thus it is an aban number.
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