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123314331230540 = 2256165716561527
BaseRepresentation
bin11100000010011101011010…
…111010001010000101001100
3121011121201211202201021120222
4130002131122322022011030
5112130340222243334130
61114133453253330512
734655111040624062
oct3402353272120514
9534551752637528
10123314331230540
11363233501aa86a
12119b7188036a38
1353a6650bab238
142264634564032
15e3ca4e7b8ce5
hex70275ae8a14c

123314331230540 has 12 divisors (see below), whose sum is σ = 258960095584176. Its totient is φ = 49325732492208.

The previous prime is 123314331230477. The next prime is 123314331230543. The reversal of 123314331230540 is 45032133413321.

It is a self number, because there is not a number n which added to its sum of digits gives 123314331230540.

It is not an unprimeable number, because it can be changed into a prime (123314331230543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3082858280744 + ... + 3082858280783.

It is an arithmetic number, because the mean of its divisors is an integer number (21580007965348).

Almost surely, 2123314331230540 is an apocalyptic number.

123314331230540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123314331230540 is an abundant number, since it is smaller than the sum of its proper divisors (135645764353636).

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

123314331230540 is a wasteful number, since it uses less digits than its factorization.

123314331230540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6165716561536 (or 6165716561534 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 123314331230540 its reverse (45032133413321), we get a palindrome (168346464643861).

The spelling of 123314331230540 in words is "one hundred twenty-three trillion, three hundred fourteen billion, three hundred thirty-one million, two hundred thirty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 6165716561527 12331433123054 24662866246108 30828582807635 61657165615270 123314331230540