Base | Representation |
---|---|
bin | 1000010011111110… |
… | …0011000000111101 |
3 | 12202111111021222010 |
4 | 2010333203000331 |
5 | 14032200013010 |
6 | 1005223241433 |
7 | 106202214654 |
oct | 20477430075 |
9 | 5674437863 |
10 | 2231251005 |
11 | a455349a5 |
12 | 5232a9279 |
13 | 297353b89 |
14 | 17249419b |
15 | d0d41620 |
hex | 84fe303d |
2231251005 has 8 divisors (see below), whose sum is σ = 3570001632. Its totient is φ = 1190000528.
The previous prime is 2231250977. The next prime is 2231251019. The reversal of 2231251005 is 5001521322.
2231251005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2231251005 - 210 = 2231249981 is a prime.
It is a super-3 number, since 3×22312510053 (a number of 29 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74375019 + ... + 74375048.
It is an arithmetic number, because the mean of its divisors is an integer number (446250204).
Almost surely, 22231251005 is an apocalyptic number.
It is an amenable number.
2231251005 is a deficient number, since it is larger than the sum of its proper divisors (1338750627).
2231251005 is a wasteful number, since it uses less digits than its factorization.
2231251005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148750075.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 2231251005 is about 47236.1197072749. The cubic root of 2231251005 is about 1306.7208167361.
Adding to 2231251005 its reverse (5001521322), we get a palindrome (7232772327).
The spelling of 2231251005 in words is "two billion, two hundred thirty-one million, two hundred fifty-one thousand, five".
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