Search a number
-
+
23431343644315 = 5139163206835359
BaseRepresentation
bin1010101001111100010001…
…11010100001111010011011
310001222000101121220020222001
411110332020322201322123
511032344342433104230
6121500113300541431
74635600352533145
oct524761072417233
9101860347806861
1023431343644315
1175141a46a6a92
1227651996b1877
13100c748cc3569
145b0123da3c95
152a9782a5e0ca
hex154f88ea1e9b

23431343644315 has 16 divisors (see below), whose sum is σ = 28493639193600. Its totient is φ = 18496045053792.

The previous prime is 23431343644309. The next prime is 23431343644337. The reversal of 23431343644315 is 51344634313432.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23431343644315 - 23 = 23431343644307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103304395 + ... + 103530964.

It is an arithmetic number, because the mean of its divisors is an integer number (1780852449600).

Almost surely, 223431343644315 is an apocalyptic number.

23431343644315 is a deficient number, since it is larger than the sum of its proper divisors (5062295549285).

23431343644315 is a wasteful number, since it uses less digits than its factorization.

23431343644315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206835666.

The product of its digits is 3732480, while the sum is 46.

Adding to 23431343644315 its reverse (51344634313432), we get a palindrome (74775977957747).

The spelling of 23431343644315 in words is "twenty-three trillion, four hundred thirty-one billion, three hundred forty-three million, six hundred forty-four thousand, three hundred fifteen".

Divisors: 1 5 139 163 695 815 22657 113285 206835359 1034176795 28750114901 33714163517 143750574505 168570817585 4686268728863 23431343644315