Base | Representation |
---|---|
bin | 100110001100… |
… | …011000110111 |
3 | 200211200011210 |
4 | 212030120313 |
5 | 10030342330 |
6 | 554332503 |
7 | 151050063 |
oct | 46143067 |
9 | 20750153 |
10 | 10012215 |
11 | 5719364 |
12 | 342a133 |
13 | 20c72b5 |
14 | 1488aa3 |
15 | d2b8b0 |
hex | 98c637 |
10012215 has 16 divisors (see below), whose sum is σ = 16063488. Its totient is φ = 5325216.
The previous prime is 10012213. The next prime is 10012217. The reversal of 10012215 is 51221001.
10012215 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (10012213) and next prime (10012217).
It is not a de Polignac number, because 10012215 - 21 = 10012213 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10012215.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10012213) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6882 + ... + 8208.
It is an arithmetic number, because the mean of its divisors is an integer number (1003968).
Almost surely, 210012215 is an apocalyptic number.
10012215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
10012215 is a deficient number, since it is larger than the sum of its proper divisors (6051273).
10012215 is a wasteful number, since it uses less digits than its factorization.
10012215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1838.
The product of its (nonzero) digits is 20, while the sum is 12.
The square root of 10012215 is about 3164.2084318199. The cubic root of 10012215 is about 215.5311547093.
Adding to 10012215 its reverse (51221001), we get a palindrome (61233216).
The spelling of 10012215 in words is "ten million, twelve thousand, two hundred fifteen".
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