Base | Representation |
---|---|
bin | 10101100001011110… |
… | …011111100111000111 |
3 | 2012122120221211022122 |
4 | 111201132133213013 |
5 | 334312204021411 |
6 | 14341112120155 |
7 | 1445456426240 |
oct | 254136374707 |
9 | 65576854278 |
10 | 23110220231 |
11 | 988a13156a |
12 | 458b69605b |
13 | 2243b70837 |
14 | 11933bdcc7 |
15 | 903d329db |
hex | 56179f9c7 |
23110220231 has 8 divisors (see below), whose sum is σ = 26415267840. Its totient is φ = 19806069528.
The previous prime is 23110220227. The next prime is 23110220249. The reversal of 23110220231 is 13202201132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23110220231 - 22 = 23110220227 is a prime.
It is a super-2 number, since 2×231102202312 (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 (23110220281) 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, 168071 + ... + 272888.
It is an arithmetic number, because the mean of its divisors is an integer number (3301908480).
Almost surely, 223110220231 is an apocalyptic number.
23110220231 is a deficient number, since it is larger than the sum of its proper divisors (3305047609).
23110220231 is an equidigital number, since it uses as much as digits as its factorization.
23110220231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 448453.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 23110220231 its reverse (13202201132), we get a palindrome (36312421363).
The spelling of 23110220231 in words is "twenty-three billion, one hundred ten million, two hundred twenty thousand, two hundred thirty-one".
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