Base | Representation |
---|---|
bin | 1010101101001100101001… |
… | …10111111110110010001111 |
3 | 10002100201011000200022212120 |
4 | 11112212110313332302033 |
5 | 11041213000120434211 |
6 | 122023334123104023 |
7 | 4646640530315211 |
oct | 526462467766217 |
9 | 102321130608776 |
10 | 23543213452431 |
11 | 7557691250662 |
12 | 27829ba672013 |
13 | 101a1669b28aa |
14 | 5b56d76325b1 |
15 | 2ac62dd9dd06 |
hex | 156994dfec8f |
23543213452431 has 8 divisors (see below), whose sum is σ = 32120973392640. Its totient is φ = 15330464573592.
The previous prime is 23543213452411. The next prime is 23543213452513. The reversal of 23543213452431 is 13425431234532.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23543213452431 - 25 = 23543213452399 is a prime.
It is a super-2 number, since 2×235432134524312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23543213452411) 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, 91252765191 + ... + 91252765448.
It is an arithmetic number, because the mean of its divisors is an integer number (4015121674080).
Almost surely, 223543213452431 is an apocalyptic number.
23543213452431 is a deficient number, since it is larger than the sum of its proper divisors (8577759940209).
23543213452431 is a wasteful number, since it uses less digits than its factorization.
23543213452431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182505530685.
The product of its digits is 1036800, while the sum is 42.
Adding to 23543213452431 its reverse (13425431234532), we get a palindrome (36968644686963).
The spelling of 23543213452431 in words is "twenty-three trillion, five hundred forty-three billion, two hundred thirteen million, four hundred fifty-two thousand, four hundred thirty-one".
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