Base | Representation |
---|---|
bin | 11011111110000101000000… |
… | …011111001110101011001010 |
3 | 121010112221200012220212012010 |
4 | 123332011000133032223022 |
5 | 112110422104001100010 |
6 | 1113343300305000350 |
7 | 34624261524554313 |
oct | 3376050037165312 |
9 | 533487605825163 |
10 | 123013240253130 |
11 | 362176931a1047 |
12 | 119689593230b6 |
13 | 538413903a686 |
14 | 2253c3059160a |
15 | e34ccb457620 |
hex | 6fe1407ceaca |
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".
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