Search a number
-
+
123231120202260 = 22325767269220173
BaseRepresentation
bin11100000001001111111011…
…001001010001101000010100
3121011022210001122111001212200
4130001033323021101220110
5112123004313232433020
61114031332312244500
734646104015561020
oct3401177311215024
9534283048431780
10123231120202260
11362a102a7a8704
12119a30249a0730
13539b84c745cb5
1422605bd16d380
15e3a7ce46e590
hex7013fb251a14

123231120202260 has 432 divisors, whose sum is σ = 435216731005056. Its totient is φ = 27642190574592.

The previous prime is 123231120202259. The next prime is 123231120202279. The reversal of 123231120202260 is 62202021132321.

123231120202260 is a `hidden beast` number, since 1 + 2 + 3 + 231 + 1 + 202 + 0 + 226 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6108705534 + ... + 6108725706.

Almost surely, 2123231120202260 is an apocalyptic number.

123231120202260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123231120202260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217608365502528).

123231120202260 is an abundant number, since it is smaller than the sum of its proper divisors (311985610802796).

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

123231120202260 is a wasteful number, since it uses less digits than its factorization.

123231120202260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20800 (or 20526 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 123231120202260 its reverse (62202021132321), we get a palindrome (185433141334581).

The spelling of 123231120202260 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, one hundred twenty million, two hundred two thousand, two hundred sixty".