Search a number
-
+
123131340010422 = 2338266032758531
BaseRepresentation
bin11011111111110010111111…
…110010000011001110110110
3121010222020111210110010202000
4123333302333302003032312
5112114340441020313142
61113513431240400130
734635642251126442
oct3377627762031666
9533866453403660
10123131340010422
1136262787454747
1211987818776046
13539230a637873
1422598353a9822
15e37dde6a314c
hex6ffcbfc833b6

123131340010422 has 32 divisors (see below), whose sum is σ = 273625630239360. Its totient is φ = 41043715471080.

The previous prime is 123131340010333. The next prime is 123131340010433. The reversal of 123131340010422 is 224010043131321.

123131340010422 is a `hidden beast` number, since 1 + 2 + 3 + 131 + 3 + 400 + 104 + 22 = 666.

It is a super-2 number, since 2×1231313400104222 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43257297 + ... + 46015827.

It is an arithmetic number, because the mean of its divisors is an integer number (8550800944980).

Almost surely, 2123131340010422 is an apocalyptic number.

123131340010422 is an abundant number, since it is smaller than the sum of its proper divisors (150494290228938).

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

123131340010422 is a wasteful number, since it uses less digits than its factorization.

123131340010422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585145 (or 3585139 counting only the distinct ones).

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

Adding to 123131340010422 its reverse (224010043131321), we get a palindrome (347141383141743).

The spelling of 123131340010422 in words is "one hundred twenty-three trillion, one hundred thirty-one billion, three hundred forty million, ten thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 826603 1653206 2479809 2758531 4959618 5517062 7439427 8275593 14878854 16551186 22318281 24826779 44636562 49653558 74480337 148960674 2280210000193 4560420000386 6840630000579 13681260001158 20521890001737 41043780003474 61565670005211 123131340010422