Search a number
-
+
123315332031152 = 2417453365191291
BaseRepresentation
bin11100000010011110010110…
…100011111010001010110000
3121011121211102111220012221022
4130002132112203322022300
5112130344244444444102
61114134140444115012
734655144612401112
oct3402362643721260
9534554374805838
10123315332031152
1136323814120108
12119b7407235a68
1353a6780338951
1422646cb43d3b2
15e3caac5a75a2
hex7027968fa2b0

123315332031152 has 20 divisors (see below), whose sum is σ = 252977776740936. Its totient is φ = 58030744485120.

The previous prime is 123315332031077. The next prime is 123315332031193. The reversal of 123315332031152 is 251130233513321.

It is a super-2 number, since 2×1233153320311522 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226682595374 + ... + 226682595917.

Almost surely, 2123315332031152 is an apocalyptic number.

It is an amenable number.

123315332031152 is an abundant number, since it is smaller than the sum of its proper divisors (129662444709784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123315332031152 is a wasteful number, since it uses less digits than its factorization.

123315332031152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453365191316 (or 453365191310 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 123315332031152 its reverse (251130233513321), we get a palindrome (374445565544473).

The spelling of 123315332031152 in words is "one hundred twenty-three trillion, three hundred fifteen billion, three hundred thirty-two million, thirty-one thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 17 34 68 136 272 453365191291 906730382582 1813460765164 3626921530328 7253843060656 7707208251947 15414416503894 30828833007788 61657666015576 123315332031152