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123013240253130 = 2357230295671199
BaseRepresentation
bin11011111110000101000000…
…011111001110101011001010
3121010112221200012220212012010
4123332011000133032223022
5112110422104001100010
61113343300305000350
734624261524554313
oct3376050037165312
9533487605825163
10123013240253130
11362176931a1047
12119689593230b6
13538413903a686
142253c3059160a
15e34ccb457620
hex6fe1407ceaca

123013240253130 has 32 divisors (see below), whose sum is σ = 295232236992000. Its totient is φ = 32803479580352.

The previous prime is 123013240253119. The next prime is 123013240253161. The reversal of 123013240253130 is 31352042310321.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 18855271 + ... + 24526469.

It is an arithmetic number, because the mean of its divisors is an integer number (9226007406000).

Almost surely, 2123013240253130 is an apocalyptic number.

123013240253130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123013240253130 is an abundant number, since it is smaller than the sum of its proper divisors (172218996738870).

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

123013240253130 is a wasteful number, since it uses less digits than its factorization.

123013240253130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394238.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 123013240253130 its reverse (31352042310321), we get a palindrome (154365282563451).

The spelling of 123013240253130 in words is "one hundred twenty-three trillion, thirteen billion, two hundred forty million, two hundred fifty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 723029 1446058 2169087 3615145 4338174 5671199 7230290 10845435 11342398 17013597 21690870 28355995 34027194 56711990 85067985 170135970 4100441341771 8200882683542 12301324025313 20502206708855 24602648050626 41004413417710 61506620126565 123013240253130