Base | Representation |
---|---|
bin | 10101100111011011… |
… | …111101110111100111 |
3 | 2012220120010101121222 |
4 | 111213123331313213 |
5 | 340013304033111 |
6 | 14355043330555 |
7 | 1451112423614 |
oct | 254733756747 |
9 | 65816111558 |
10 | 23210221031 |
11 | 9930623658 |
12 | 45b9080a5b |
13 | 225b7b47ca |
14 | 11a27b150b |
15 | 90c9d77db |
hex | 5676fdde7 |
23210221031 has 8 divisors (see below), whose sum is σ = 23268798000. Its totient is φ = 23151693312.
The previous prime is 23210221019. The next prime is 23210221037. The reversal of 23210221031 is 13012201232.
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 23210221031 - 26 = 23210220967 is a prime.
It is a super-2 number, since 2×232102210312 (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 (23210221037) 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, 1043381 + ... + 1065393.
It is an arithmetic number, because the mean of its divisors is an integer number (2908599750).
Almost surely, 223210221031 is an apocalyptic number.
23210221031 is a deficient number, since it is larger than the sum of its proper divisors (58576969).
23210221031 is a wasteful number, since it uses less digits than its factorization.
23210221031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24625.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 23210221031 its reverse (13012201232), we get a palindrome (36222422263).
The spelling of 23210221031 in words is "twenty-three billion, two hundred ten million, two hundred twenty-one thousand, thirty-one".
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