Base | Representation |
---|---|
bin | 1000010011111100… |
… | …0100010011011111 |
3 | 12202111020220102020 |
4 | 2010333010103133 |
5 | 14032132001330 |
6 | 1005220431223 |
7 | 106201152144 |
oct | 20477042337 |
9 | 5674226366 |
10 | 2231125215 |
11 | a45459440 |
12 | 523248513 |
13 | 29730b847 |
14 | 1724603cb |
15 | d0d19210 |
hex | 84fc44df |
2231125215 has 32 divisors (see below), whose sum is σ = 3897282816. Its totient is φ = 1080936960.
The previous prime is 2231125187. The next prime is 2231125243. The reversal of 2231125215 is 5125211322.
It is an interprime number because it is at equal distance from previous prime (2231125187) and next prime (2231125243).
It is not a de Polignac number, because 2231125215 - 26 = 2231125151 is a prime.
It is a super-3 number, since 3×22311252153 (a number of 29 digits) contains 333 as substring.
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 31 ways as a sum of consecutive naturals, for example, 251892 + ... + 260598.
It is an arithmetic number, because the mean of its divisors is an integer number (121790088).
Almost surely, 22231125215 is an apocalyptic number.
2231125215 is a deficient number, since it is larger than the sum of its proper divisors (1666157601).
2231125215 is a wasteful number, since it uses less digits than its factorization.
2231125215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10279.
The product of its digits is 1200, while the sum is 24.
The square root of 2231125215 is about 47234.7881862510. The cubic root of 2231125215 is about 1306.6962601832.
Adding to 2231125215 its reverse (5125211322), we get a palindrome (7356336537).
The spelling of 2231125215 in words is "two billion, two hundred thirty-one million, one hundred twenty-five thousand, two hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •