Base | Representation |
---|---|
bin | 10101011011000101… |
… | …100110001100100111 |
3 | 2012101010021000101121 |
4 | 111123011212030213 |
5 | 334102233432221 |
6 | 14322322434411 |
7 | 1443015350212 |
oct | 253305461447 |
9 | 65333230347 |
10 | 23003030311 |
11 | 983467a158 |
12 | 455b802a07 |
13 | 22278b0551 |
14 | 118307a779 |
15 | 8e970ca41 |
hex | 55b166327 |
23003030311 has 4 divisors (see below), whose sum is σ = 23112049624. Its totient is φ = 22894011000.
The previous prime is 23003030291. The next prime is 23003030363. The reversal of 23003030311 is 11303030032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23003030311 - 211 = 23003028263 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23003030111) 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, 54509340 + ... + 54509761.
It is an arithmetic number, because the mean of its divisors is an integer number (5778012406).
Almost surely, 223003030311 is an apocalyptic number.
23003030311 is a deficient number, since it is larger than the sum of its proper divisors (109019313).
23003030311 is a wasteful number, since it uses less digits than its factorization.
23003030311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109019312.
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 23003030311 its reverse (11303030032), we get a palindrome (34306060343).
The spelling of 23003030311 in words is "twenty-three billion, three million, thirty thousand, three hundred eleven".
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