Base | Representation |
---|---|
bin | 10001101000110001011… |
… | …100000111000100001111 |
3 | 11021212102002002000021221 |
4 | 101220301130013010033 |
5 | 124324144104330111 |
6 | 2324442333304211 |
7 | 153364512654646 |
oct | 21506134070417 |
9 | 4255362060257 |
10 | 1212010230031 |
11 | 4280131a5737 |
12 | 176a8b935067 |
13 | 8a3a48c19b3 |
14 | 4293964a35d |
15 | 217d92cc371 |
hex | 11a3170710f |
1212010230031 has 4 divisors (see below), whose sum is σ = 1213183522672. Its totient is φ = 1210836937392.
The previous prime is 1212010230023. The next prime is 1212010230049. The reversal of 1212010230031 is 1300320102121.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1212010230031 - 23 = 1212010230023 is a prime.
It is a super-2 number, since 2×12120102300312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1212010229987 and 1212010230014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1212010030031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586644771 + ... + 586646836.
It is an arithmetic number, because the mean of its divisors is an integer number (303295880668).
Almost surely, 21212010230031 is an apocalyptic number.
1212010230031 is a deficient number, since it is larger than the sum of its proper divisors (1173292641).
1212010230031 is a wasteful number, since it uses less digits than its factorization.
1212010230031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1173292640.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 1212010230031 its reverse (1300320102121), we get a palindrome (2512330332152).
The spelling of 1212010230031 in words is "one trillion, two hundred twelve billion, ten million, two hundred thirty thousand, thirty-one".
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