Base | Representation |
---|---|
bin | 10011000010101011… |
… | …10000111100001111 |
3 | 222101110102201210220 |
4 | 21201111300330033 |
5 | 131414043430111 |
6 | 4410231002423 |
7 | 511223215164 |
oct | 114125607417 |
9 | 28343381726 |
10 | 10223030031 |
11 | 43766a7855 |
12 | 1b93809413 |
13 | c6bc790c6 |
14 | 6cda1c06b |
15 | 3ec765e06 |
hex | 261570f0f |
10223030031 has 4 divisors (see below), whose sum is σ = 13630706712. Its totient is φ = 6815353352.
The previous prime is 10223030021. The next prime is 10223030063. The reversal of 10223030031 is 13003032201.
10223030031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13003032201 = 3 ⋅4334344067.
It is a cyclic number.
It is not a de Polignac number, because 10223030031 - 222 = 10218835727 is a prime.
It is a super-2 number, since 2×102230300312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10223030021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703838336 + ... + 1703838341.
It is an arithmetic number, because the mean of its divisors is an integer number (3407676678).
Almost surely, 210223030031 is an apocalyptic number.
10223030031 is a deficient number, since it is larger than the sum of its proper divisors (3407676681).
10223030031 is an equidigital number, since it uses as much as digits as its factorization.
10223030031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3407676680.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 10223030031 its reverse (13003032201), we get a palindrome (23226062232).
The spelling of 10223030031 in words is "ten billion, two hundred twenty-three million, thirty thousand, thirty-one".
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