Base | Representation |
---|---|
bin | 10001101001101110011… |
… | …001101010110001011111 |
3 | 11021222001100121002222022 |
4 | 101221232121222301133 |
5 | 124333242422000111 |
6 | 2325132031010355 |
7 | 153432042242456 |
oct | 21515631526137 |
9 | 4258040532868 |
10 | 1213033000031 |
11 | 4284985609a6 |
12 | 1771163699bb |
13 | 8a508772048 |
14 | 429d5403b9d |
15 | 21848eaa2db |
hex | 11a6e66ac5f |
1213033000031 has 8 divisors (see below), whose sum is σ = 1257270303600. Its totient is φ = 1168956268480.
The previous prime is 1213033000021. The next prime is 1213033000051. The reversal of 1213033000031 is 1300003303121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1213033000031 is a prime.
It is a super-2 number, since 2×12130330000312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1213032999973 and 1213033000009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213033000021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40127621 + ... + 40157838.
It is an arithmetic number, because the mean of its divisors is an integer number (157158787950).
Almost surely, 21213033000031 is an apocalyptic number.
1213033000031 is a deficient number, since it is larger than the sum of its proper divisors (44237303569).
1213033000031 is an equidigital number, since it uses as much as digits as its factorization.
1213033000031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80286009.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 1213033000031 its reverse (1300003303121), we get a palindrome (2513036303152).
The spelling of 1213033000031 in words is "one trillion, two hundred thirteen billion, thirty-three million, thirty-one", and thus it is an aban number.
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