Base | Representation |
---|---|
bin | 10011000110011001… |
… | …10011011001011111 |
3 | 222110122011010022001 |
4 | 21203030303121133 |
5 | 132000041011411 |
6 | 4413303503131 |
7 | 512052363352 |
oct | 114314633137 |
9 | 28418133261 |
10 | 10254235231 |
11 | 4392280779 |
12 | 1ba2157aa7 |
13 | c75583816 |
14 | 6d3c22299 |
15 | 40037bdc1 |
hex | 26333365f |
10254235231 has 4 divisors (see below), whose sum is σ = 10255710672. Its totient is φ = 10252759792.
The previous prime is 10254235213. The next prime is 10254235307. The reversal of 10254235231 is 13253245201.
10254235231 is digitally balanced in base 3, 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: 13253245201 = 7 ⋅1893320743.
It is a cyclic number.
It is not a de Polignac number, because 10254235231 - 215 = 10254202463 is a prime.
It is a super-2 number, since 2×102542352312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10254235231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10254235531) 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 3 ways as a sum of consecutive naturals, for example, 727246 + ... + 741211.
It is an arithmetic number, because the mean of its divisors is an integer number (2563927668).
Almost surely, 210254235231 is an apocalyptic number.
10254235231 is a deficient number, since it is larger than the sum of its proper divisors (1475441).
10254235231 is an equidigital number, since it uses as much as digits as its factorization.
10254235231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1475440.
The product of its (nonzero) digits is 7200, while the sum is 28.
The spelling of 10254235231 in words is "ten billion, two hundred fifty-four million, two hundred thirty-five thousand, two hundred thirty-one".
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