Base | Representation |
---|---|
bin | 1010100011100110011001… |
… | …11010110010011001011111 |
3 | 10001012011221122001201102120 |
4 | 11101303030322302121133 |
5 | 11020312111423333211 |
6 | 121212035131554023 |
7 | 4614054466553514 |
oct | 521631472623137 |
9 | 101164848051376 |
10 | 23213441230431 |
11 | 743a846446311 |
12 | 272ab065bb913 |
13 | cc5030a5099a |
14 | 5a377241930b |
15 | 2a3c7caaad06 |
hex | 151ccceb265f |
23213441230431 has 32 divisors (see below), whose sum is σ = 32466904081920. Its totient is φ = 14724896169984.
The previous prime is 23213441230417. The next prime is 23213441230453. The reversal of 23213441230431 is 13403214431232.
It is not a de Polignac number, because 23213441230431 - 219 = 23213440706143 is a prime.
It is a super-2 number, since 2×232134412304312 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23213441230392 and 23213441230401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23213441230471) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184497415 + ... + 184623191.
It is an arithmetic number, because the mean of its divisors is an integer number (1014590752560).
Almost surely, 223213441230431 is an apocalyptic number.
23213441230431 is a deficient number, since it is larger than the sum of its proper divisors (9253462851489).
23213441230431 is a wasteful number, since it uses less digits than its factorization.
23213441230431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139855.
The product of its (nonzero) digits is 41472, while the sum is 33.
Adding to 23213441230431 its reverse (13403214431232), we get a palindrome (36616655661663).
The spelling of 23213441230431 in words is "twenty-three trillion, two hundred thirteen billion, four hundred forty-one million, two hundred thirty thousand, four hundred thirty-one".
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