Base | Representation |
---|---|
bin | 10101100010110110… |
… | …100010010100111111 |
3 | 2012201012101101212001 |
4 | 111202312202110333 |
5 | 334334111100111 |
6 | 14343254523131 |
7 | 1446156543262 |
oct | 254266422477 |
9 | 65635341761 |
10 | 23133300031 |
11 | 98a1165786 |
12 | 45973664a7 |
13 | 2248891a1a |
14 | 11964aacd9 |
15 | 905d911c1 |
hex | 562da253f |
23133300031 has 4 divisors (see below), whose sum is σ = 23625497952. Its totient is φ = 22641102112.
The previous prime is 23133300007. The next prime is 23133300037. The reversal of 23133300031 is 13000333132.
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 23133300031 - 211 = 23133297983 is a prime.
It is a super-2 number, since 2×231333000312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23133299981 and 23133300008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23133300037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246098890 + ... + 246098983.
It is an arithmetic number, because the mean of its divisors is an integer number (5906374488).
Almost surely, 223133300031 is an apocalyptic number.
23133300031 is a deficient number, since it is larger than the sum of its proper divisors (492197921).
23133300031 is an equidigital number, since it uses as much as digits as its factorization.
23133300031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 492197920.
The product of its (nonzero) digits is 486, while the sum is 19.
Adding to 23133300031 its reverse (13000333132), we get a palindrome (36133633163).
The spelling of 23133300031 in words is "twenty-three billion, one hundred thirty-three million, three hundred thousand, thirty-one".
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