Base | Representation |
---|---|
bin | 1010101010011111011101… |
… | …10100011111001010110111 |
3 | 10002000211011001221101102201 |
4 | 11111033232310133022313 |
5 | 11033202034200033211 |
6 | 121512515521445331 |
7 | 4640136432255664 |
oct | 525175664371267 |
9 | 102024131841381 |
10 | 23450233205431 |
11 | 752120833091a |
12 | 276898b7a0847 |
13 | 1011469603c66 |
14 | 5b0dd69d0a6b |
15 | 2a9edb0810c1 |
hex | 1553eed1f2b7 |
23450233205431 has 2 divisors, whose sum is σ = 23450233205432. Its totient is φ = 23450233205430.
The previous prime is 23450233205419. The next prime is 23450233205479. The reversal of 23450233205431 is 13450233205432.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 23450233205431 - 29 = 23450233204919 is a prime.
It is a super-2 number, since 2×234502332054312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23450233205131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11725116602715 + 11725116602716.
It is an arithmetic number, because the mean of its divisors is an integer number (11725116602716).
Almost surely, 223450233205431 is an apocalyptic number.
23450233205431 is a deficient number, since it is larger than the sum of its proper divisors (1).
23450233205431 is an equidigital number, since it uses as much as digits as its factorization.
23450233205431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 259200, while the sum is 37.
Subtracting from 23450233205431 its reverse (13450233205432), we obtain a palindrome (9999999999999).
The spelling of 23450233205431 in words is "twenty-three trillion, four hundred fifty billion, two hundred thirty-three million, two hundred five thousand, four hundred thirty-one".
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