Base | Representation |
---|---|
bin | 10101101000000101… |
… | …011110001001001011 |
3 | 2012221022121011022122 |
4 | 111220011132021023 |
5 | 340024100214011 |
6 | 14400112441455 |
7 | 1451304050204 |
oct | 255005361113 |
9 | 65838534278 |
10 | 23221101131 |
11 | 9936784a78 |
12 | 460084928b |
13 | 2260b23b37 |
14 | 11a40045ab |
15 | 90d9363db |
hex | 56815e24b |
23221101131 has 8 divisors (see below), whose sum is σ = 23546918400. Its totient is φ = 22896081000.
The previous prime is 23221101119. The next prime is 23221101143. The reversal of 23221101131 is 13110112232.
It is an interprime number because it is at equal distance from previous prime (23221101119) and next prime (23221101143).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23221101131 - 230 = 22147359307 is a prime.
It is a super-2 number, since 2×232211011312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23221101151) 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, 140495 + ... + 257256.
It is an arithmetic number, because the mean of its divisors is an integer number (2943364800).
Almost surely, 223221101131 is an apocalyptic number.
23221101131 is a deficient number, since it is larger than the sum of its proper divisors (325817269).
23221101131 is an equidigital number, since it uses as much as digits as its factorization.
23221101131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 398569.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 23221101131 its reverse (13110112232), we get a palindrome (36331213363).
The spelling of 23221101131 in words is "twenty-three billion, two hundred twenty-one million, one hundred one thousand, one hundred thirty-one".
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