Base | Representation |
---|---|
bin | 10101011011000010… |
… | …011100000001110111 |
3 | 2012101001200221110222 |
4 | 111123002130001313 |
5 | 334102030432411 |
6 | 14322253004555 |
7 | 1443005331041 |
oct | 253302340167 |
9 | 65331627428 |
10 | 23002202231 |
11 | 9834163a98 |
12 | 455b48375b |
13 | 2227680668 |
14 | 1182d02a91 |
15 | 8e95e74db |
hex | 55b09c077 |
23002202231 has 4 divisors (see below), whose sum is σ = 23002662312. Its totient is φ = 23001742152.
The previous prime is 23002202183. The next prime is 23002202233. The reversal of 23002202231 is 13220220032.
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 23002202231 - 210 = 23002201207 is a prime.
It is a super-2 number, since 2×230022022312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23002202233) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 144425 + ... + 258578.
It is an arithmetic number, because the mean of its divisors is an integer number (5750665578).
Almost surely, 223002202231 is an apocalyptic number.
23002202231 is a deficient number, since it is larger than the sum of its proper divisors (460081).
23002202231 is an equidigital number, since it uses as much as digits as its factorization.
23002202231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 460080.
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 23002202231 its reverse (13220220032), we get a palindrome (36222422263).
The spelling of 23002202231 in words is "twenty-three billion, two million, two hundred two thousand, two hundred thirty-one".
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