Base | Representation |
---|---|
bin | 1000010011111101… |
… | …1110001000101111 |
3 | 12202111110021120001 |
4 | 2010333132020233 |
5 | 14032143343043 |
6 | 1005223005131 |
7 | 106202102500 |
oct | 20477361057 |
9 | 5674407501 |
10 | 2231231023 |
11 | a4552098a |
12 | 5232997a7 |
13 | 297347a58 |
14 | 17248aba7 |
15 | d0d3a74d |
hex | 84fde22f |
2231231023 has 12 divisors (see below), whose sum is σ = 2597163960. Its totient is φ = 1911267792.
The previous prime is 2231231021. The next prime is 2231231027. The reversal of 2231231023 is 3201321322.
It is not a de Polignac number, because 2231231023 - 21 = 2231231021 is a prime.
It is a super-3 number, since 3×22312310233 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231231021) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68140 + ... + 95422.
It is an arithmetic number, because the mean of its divisors is an integer number (216430330).
Almost surely, 22231231023 is an apocalyptic number.
2231231023 is a deficient number, since it is larger than the sum of its proper divisors (365932937).
2231231023 is a wasteful number, since it uses less digits than its factorization.
2231231023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28966 (or 28959 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 2231231023 is about 47235.9081949315. The cubic root of 2231231023 is about 1306.7169159389.
Adding to 2231231023 its reverse (3201321322), we get a palindrome (5432552345).
It can be divided in two parts, 22312 and 31023, that added together give a palindrome (53335).
The spelling of 2231231023 in words is "two billion, two hundred thirty-one million, two hundred thirty-one thousand, twenty-three".
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