Base | Representation |
---|---|
bin | 10101011100000110… |
… | …101110001010100111 |
3 | 2012102022101100202220 |
4 | 111130012232022213 |
5 | 334121121233221 |
6 | 14324132403423 |
7 | 1443313432623 |
oct | 253406561247 |
9 | 65368340686 |
10 | 23020102311 |
11 | 984327a648 |
12 | 4565476573 |
13 | 222b2aa01b |
14 | 1185442183 |
15 | 8eae810c6 |
hex | 55c1ae2a7 |
23020102311 has 8 divisors (see below), whose sum is σ = 30694181760. Its totient is φ = 15346378872.
The previous prime is 23020102307. The next prime is 23020102337. The reversal of 23020102311 is 11320102032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23020102311 - 22 = 23020102307 is a prime.
It is a super-2 number, since 2×230201023112 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23020102381) 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, 167406 + ... + 272148.
It is an arithmetic number, because the mean of its divisors is an integer number (3836772720).
Almost surely, 223020102311 is an apocalyptic number.
23020102311 is a deficient number, since it is larger than the sum of its proper divisors (7674079449).
23020102311 is a wasteful number, since it uses less digits than its factorization.
23020102311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178005.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 23020102311 its reverse (11320102032), we get a palindrome (34340204343).
The spelling of 23020102311 in words is "twenty-three billion, twenty million, one hundred two thousand, three hundred eleven".
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