Base | Representation |
---|---|
bin | 110100100100100100000010… |
… | …010011001001101000111111 |
3 | 1010022122120001000222022122212 |
4 | 310210210002103021220333 |
5 | 220301130123313121343 |
6 | 2135424512324331035 |
7 | 66462305304601535 |
oct | 6444440223115077 |
9 | 1108576030868585 |
10 | 231211013020223 |
11 | 677420492115a5 |
12 | 21b222b0543a7b |
13 | 9c0214981b932 |
14 | 411495bdd8155 |
15 | 1bae4e0815c18 |
hex | d249024c9a3f |
231211013020223 has 8 divisors (see below), whose sum is σ = 246978135721728. Its totient is φ = 215684609749504.
The previous prime is 231211013020177. The next prime is 231211013020261. The reversal of 231211013020223 is 322020310112132.
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-231211013020223 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231211013020423) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60179855711 + ... + 60179859552.
It is an arithmetic number, because the mean of its divisors is an integer number (30872266965216).
Almost surely, 2231211013020223 is an apocalyptic number.
231211013020223 is a deficient number, since it is larger than the sum of its proper divisors (15767122701505).
231211013020223 is a wasteful number, since it uses less digits than its factorization.
231211013020223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120359715393.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 231211013020223 its reverse (322020310112132), we get a palindrome (553231323132355).
The spelling of 231211013020223 in words is "two hundred thirty-one trillion, two hundred eleven billion, thirteen million, twenty thousand, two hundred twenty-three".
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