Base | Representation |
---|---|
bin | 11100000000110101101111… |
… | …000111110101010101110111 |
3 | 121011020002110222122021100110 |
4 | 130000311233013311111313 |
5 | 112122024221302211411 |
6 | 1114010402152514103 |
7 | 34644060136231305 |
oct | 3400655707652567 |
9 | 534202428567313 |
10 | 123203001210231 |
11 | 36290110318818 |
12 | 119996979ab933 |
13 | 5398cbac95087 |
14 | 225d0b2887275 |
15 | e39bd5a512a6 |
hex | 700d6f1f5577 |
123203001210231 has 64 divisors (see below), whose sum is σ = 177349874688000. Its totient is φ = 75844060680960.
The previous prime is 123203001210229. The next prime is 123203001210257. The reversal of 123203001210231 is 132012100302321.
It is not a de Polignac number, because 123203001210231 - 21 = 123203001210229 is a prime.
It is a super-2 number, since 2×1232030012102312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 123203001210198 and 123203001210207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123203001210031) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 493597660 + ... + 493847198.
It is an arithmetic number, because the mean of its divisors is an integer number (2771091792000).
Almost surely, 2123203001210231 is an apocalyptic number.
123203001210231 is a deficient number, since it is larger than the sum of its proper divisors (54146873477769).
123203001210231 is a wasteful number, since it uses less digits than its factorization.
123203001210231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 251044.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 123203001210231 its reverse (132012100302321), we get a palindrome (255215101512552).
The spelling of 123203001210231 in words is "one hundred twenty-three trillion, two hundred three billion, one million, two hundred ten thousand, two hundred thirty-one".
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