Base | Representation |
---|---|
bin | 10001111001110101100… |
… | …101000111100000110111 |
3 | 11100121201001011222010120 |
4 | 101321311211013200313 |
5 | 130124210311423111 |
6 | 2341112440423023 |
7 | 154613543410116 |
oct | 21716545074067 |
9 | 4317631158116 |
10 | 1230333311031 |
11 | 434866096690 |
12 | 17a544177a73 |
13 | 8c034a41966 |
14 | 43796d37c7d |
15 | 2200cc03406 |
hex | 11e75947837 |
1230333311031 has 16 divisors (see below), whose sum is σ = 1807294301568. Its totient is φ = 738273812000.
The previous prime is 1230333310967. The next prime is 1230333311041. The reversal of 1230333311031 is 1301133330321.
It is a cyclic number.
It is not a de Polignac number, because 1230333311031 - 26 = 1230333310967 is a prime.
It is a super-2 number, since 2×12303333110312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1230333310992 and 1230333311010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230333311041) 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, 184565121 + ... + 184571786.
It is an arithmetic number, because the mean of its divisors is an integer number (112955893848).
Almost surely, 21230333311031 is an apocalyptic number.
1230333311031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1230333311031 is a deficient number, since it is larger than the sum of its proper divisors (576960990537).
1230333311031 is a wasteful number, since it uses less digits than its factorization.
1230333311031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 369137022.
The product of its (nonzero) digits is 1458, while the sum is 24.
Adding to 1230333311031 its reverse (1301133330321), we get a palindrome (2531466641352).
The spelling of 1230333311031 in words is "one trillion, two hundred thirty billion, three hundred thirty-three million, three hundred eleven thousand, thirty-one".
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