Base | Representation |
---|---|
bin | 111001101110111010… |
… | …0100010110010010011 |
3 | 102212000102102012200202 |
4 | 1303131310202302103 |
5 | 4012403014413440 |
6 | 132542251005415 |
7 | 11646232623155 |
oct | 1633564426223 |
9 | 385012365622 |
10 | 123980622995 |
11 | 48641914099 |
12 | 20040a3986b |
13 | b8caab30a8 |
14 | 6001c94ad5 |
15 | 335969e615 |
hex | 1cddd22c93 |
123980622995 has 4 divisors (see below), whose sum is σ = 148776747600. Its totient is φ = 99184498392.
The previous prime is 123980622989. The next prime is 123980623009. The reversal of 123980622995 is 599226089321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 599226089321 = 7951 ⋅75364871.
It is a cyclic number.
It is not a de Polignac number, because 123980622995 - 212 = 123980618899 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 123980622995.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12398062295 + ... + 12398062304.
It is an arithmetic number, because the mean of its divisors is an integer number (37194186900).
Almost surely, 2123980622995 is an apocalyptic number.
123980622995 is a deficient number, since it is larger than the sum of its proper divisors (24796124605).
123980622995 is an equidigital number, since it uses as much as digits as its factorization.
123980622995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24796124604.
The product of its (nonzero) digits is 4199040, while the sum is 56.
The spelling of 123980622995 in words is "one hundred twenty-three billion, nine hundred eighty million, six hundred twenty-two thousand, nine hundred ninety-five".
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