Base | Representation |
---|---|
bin | 1010101001000100100110… |
… | …01101001100111111100110 |
3 | 10001212011020101122001021020 |
4 | 11110202103031030333212 |
5 | 11031402133043243304 |
6 | 121434251201232010 |
7 | 4633461533044251 |
oct | 524422315147746 |
9 | 101764211561236 |
10 | 23401451540454 |
11 | 7502555357a19 |
12 | 275b436932606 |
13 | 10099940a8040 |
14 | 5ac8ca004098 |
15 | 2a8ad36495d9 |
hex | 15489334cfe6 |
23401451540454 has 32 divisors (see below), whose sum is σ = 51354128788704. Its totient is φ = 7064589143040.
The previous prime is 23401451540449. The next prime is 23401451540471. The reversal of 23401451540454 is 45404515410432.
It is a super-2 number, since 2×234014515404542 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2830360107 + ... + 2830368374.
It is an arithmetic number, because the mean of its divisors is an integer number (1604816524647).
Almost surely, 223401451540454 is an apocalyptic number.
23401451540454 is an abundant number, since it is smaller than the sum of its proper divisors (27952677248250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23401451540454 is a wasteful number, since it uses less digits than its factorization.
23401451540454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5660728552.
The product of its (nonzero) digits is 768000, while the sum is 42.
Adding to 23401451540454 its reverse (45404515410432), we get a palindrome (68805966950886).
The spelling of 23401451540454 in words is "twenty-three trillion, four hundred one billion, four hundred fifty-one million, five hundred forty thousand, four hundred fifty-four".
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