Search a number
-
+
23401451540454 = 2313535660728481
BaseRepresentation
bin1010101001000100100110…
…01101001100111111100110
310001212011020101122001021020
411110202103031030333212
511031402133043243304
6121434251201232010
74633461533044251
oct524422315147746
9101764211561236
1023401451540454
117502555357a19
12275b436932606
1310099940a8040
145ac8ca004098
152a8ad36495d9
hex15489334cfe6

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".

Divisors: 1 2 3 6 13 26 39 53 78 106 159 318 689 1378 2067 4134 5660728481 11321456962 16982185443 33964370886 73589470253 147178940506 220768410759 300018609493 441536821518 600037218986 900055828479 1800111656958 3900241923409 7800483846818 11700725770227 23401451540454