Base | Representation |
---|---|
bin | 1010011110000000000000… |
… | …10100101001111100001111 |
3 | 10000111210022011121122000210 |
4 | 11033000000110221330033 |
5 | 11004134032202334411 |
6 | 120543414254053503 |
7 | 4564133405245542 |
oct | 517000024517417 |
9 | 100453264548023 |
10 | 23021030121231 |
11 | 737618938a09a |
12 | 26b97684aa293 |
13 | cacb48a4394c |
14 | 59831c188859 |
15 | 29dc6a9c6ca6 |
hex | 14f000529f0f |
23021030121231 has 32 divisors (see below), whose sum is σ = 32828660992512. Its totient is φ = 14314820889600.
The previous prime is 23021030121163. The next prime is 23021030121233. The reversal of 23021030121231 is 13212103012032.
It is not a de Polignac number, because 23021030121231 - 211 = 23021030119183 is a prime.
It is a super-2 number, since 2×230210301212312 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23021030121198 and 23021030121207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23021030121233) 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 31 ways as a sum of consecutive naturals, for example, 4671930 + ... + 8238263.
It is an arithmetic number, because the mean of its divisors is an integer number (1025895656016).
Almost surely, 223021030121231 is an apocalyptic number.
23021030121231 is a deficient number, since it is larger than the sum of its proper divisors (9807630871281).
23021030121231 is a wasteful number, since it uses less digits than its factorization.
23021030121231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12910863.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 23021030121231 its reverse (13212103012032), we get a palindrome (36233133133263).
The spelling of 23021030121231 in words is "twenty-three trillion, twenty-one billion, thirty million, one hundred twenty-one thousand, two hundred thirty-one".
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