Base | Representation |
---|---|
bin | 111001010010100111… |
… | …0110010000101101011 |
3 | 102202120020220112100002 |
4 | 1302211032302011223 |
5 | 4003431441400412 |
6 | 132304133333215 |
7 | 11613553642334 |
oct | 1624516620553 |
9 | 382506815302 |
10 | 123031200107 |
11 | 481a49a5682 |
12 | 1ba16a9720b |
13 | b7a91a3bba |
14 | 5d51b5128b |
15 | 330115ddc2 |
hex | 1ca53b216b |
123031200107 has 2 divisors, whose sum is σ = 123031200108. Its totient is φ = 123031200106.
The previous prime is 123031200101. The next prime is 123031200169. The reversal of 123031200107 is 701002130321.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 123031200107 - 228 = 122762764651 is a prime.
It is a super-2 number, since 2×1230312001072 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (123031200101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61515600053 + 61515600054.
It is an arithmetic number, because the mean of its divisors is an integer number (61515600054).
Almost surely, 2123031200107 is an apocalyptic number.
123031200107 is a deficient number, since it is larger than the sum of its proper divisors (1).
123031200107 is an equidigital number, since it uses as much as digits as its factorization.
123031200107 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 252, while the sum is 20.
Adding to 123031200107 its reverse (701002130321), we get a palindrome (824033330428).
The spelling of 123031200107 in words is "one hundred twenty-three billion, thirty-one million, two hundred thousand, one hundred seven".
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