Base | Representation |
---|---|
bin | 101111101001101101… |
… | …0111011100100011001 |
3 | 100210010122101122210122 |
4 | 1133103122323210121 |
5 | 3134033303100441 |
6 | 115002122523025 |
7 | 10251602461601 |
oct | 1372332734431 |
9 | 323118348718 |
10 | 102331300121 |
11 | 3a442395416 |
12 | 179ba666475 |
13 | 985a7c357b |
14 | 4d4a919c01 |
15 | 29ddc4034b |
hex | 17d36bb919 |
102331300121 has 16 divisors (see below), whose sum is σ = 103792363920. Its totient is φ = 100877736960.
The previous prime is 102331300087. The next prime is 102331300147. The reversal of 102331300121 is 121003133201.
It can be written as a sum of positive squares in 8 ways, for example, as 5862046096 + 96469254025 = 76564^2 + 310595^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102331300121 is a prime.
It is a super-2 number, since 2×1023313001212 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 102331300121.
It is not an unprimeable number, because it can be changed into a prime (102331300171) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63127691 + ... + 63129311.
It is an arithmetic number, because the mean of its divisors is an integer number (6487022745).
Almost surely, 2102331300121 is an apocalyptic number.
It is an amenable number.
102331300121 is a deficient number, since it is larger than the sum of its proper divisors (1461063799).
102331300121 is an equidigital number, since it uses as much as digits as its factorization.
102331300121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3404.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 102331300121 its reverse (121003133201), we get a palindrome (223334433322).
The spelling of 102331300121 in words is "one hundred two billion, three hundred thirty-one million, three hundred thousand, one hundred twenty-one".
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