Base | Representation |
---|---|
bin | 10011000011101000… |
… | …01101011110011111 |
3 | 222102000110012221220 |
4 | 21201310031132133 |
5 | 131423114324411 |
6 | 4411114024423 |
7 | 511351106040 |
oct | 114164153637 |
9 | 28360405856 |
10 | 10231011231 |
11 | 4380159191 |
12 | 1b96418113 |
13 | c70811acc |
14 | 6d0ad88c7 |
15 | 3ed2e0b06 |
hex | 261d0d79f |
10231011231 has 16 divisors (see below), whose sum is σ = 15648076800. Its totient is φ = 5824555488.
The previous prime is 10231011223. The next prime is 10231011257. The reversal of 10231011231 is 13211013201.
It is a happy number.
It is not a de Polignac number, because 10231011231 - 23 = 10231011223 is a prime.
It is a super-2 number, since 2×102310112312 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 10231011231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10231011221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899911 + ... + 911208.
It is an arithmetic number, because the mean of its divisors is an integer number (978004800).
Almost surely, 210231011231 is an apocalyptic number.
10231011231 is a deficient number, since it is larger than the sum of its proper divisors (5417065569).
10231011231 is a wasteful number, since it uses less digits than its factorization.
10231011231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1811398.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 10231011231 its reverse (13211013201), we get a palindrome (23442024432).
The spelling of 10231011231 in words is "ten billion, two hundred thirty-one million, eleven thousand, two hundred thirty-one".
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