Base | Representation |
---|---|
bin | 10011000011101010… |
… | …10110111010010100 |
3 | 222102001000111120020 |
4 | 21201311112322110 |
5 | 131423203441040 |
6 | 4411124305140 |
7 | 511353501006 |
oct | 114165267224 |
9 | 28361014506 |
10 | 10231312020 |
11 | 4380344176 |
12 | 1b965421b0 |
13 | c708b89a7 |
14 | 6d0b76376 |
15 | 3ed34ecd0 |
hex | 261d56e94 |
10231312020 has 24 divisors (see below), whose sum is σ = 28647673824. Its totient is φ = 2728349856.
The previous prime is 10231312009. The next prime is 10231312051. The reversal of 10231312020 is 2021313201.
10231312020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 85260874 + ... + 85260993.
It is an arithmetic number, because the mean of its divisors is an integer number (1193653076).
Almost surely, 210231312020 is an apocalyptic number.
10231312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10231312020 is an abundant number, since it is smaller than the sum of its proper divisors (18416361804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10231312020 is a wasteful number, since it uses less digits than its factorization.
10231312020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170521879 (or 170521877 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 10231312020 its reverse (2021313201), we get a palindrome (12252625221).
The spelling of 10231312020 in words is "ten billion, two hundred thirty-one million, three hundred twelve thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •