Base | Representation |
---|---|
bin | 10101011010111110… |
… | …101100001110100011 |
3 | 2012100222212001010011 |
4 | 111122332230032203 |
5 | 334101303020003 |
6 | 14322215545351 |
7 | 1442664100306 |
oct | 253276541643 |
9 | 65328761104 |
10 | 23001220003 |
11 | 9833653033 |
12 | 455b08b257 |
13 | 22273c8568 |
14 | 1182b28b3d |
15 | 8e94a146d |
hex | 55afac3a3 |
23001220003 has 8 divisors (see below), whose sum is σ = 23247536400. Its totient is φ = 22755545568.
The previous prime is 23001219959. The next prime is 23001220019. The reversal of 23001220003 is 30002210032.
It is a happy number.
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 23001220003 - 221 = 22999122851 is a prime.
It is a super-2 number, since 2×230012200032 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23001220093) 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, 88276 + ... + 231937.
It is an arithmetic number, because the mean of its divisors is an integer number (2905942050).
Almost surely, 223001220003 is an apocalyptic number.
23001220003 is a deficient number, since it is larger than the sum of its proper divisors (246316397).
23001220003 is a wasteful number, since it uses less digits than its factorization.
23001220003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320981.
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 23001220003 its reverse (30002210032), we get a palindrome (53003430035).
The spelling of 23001220003 in words is "twenty-three billion, one million, two hundred twenty thousand, three".
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