Base | Representation |
---|---|
bin | 1010101011001100… |
… | …1010010000011000 |
3 | 21101201000102020201 |
4 | 2222303022100120 |
5 | 21332034204242 |
6 | 1152202231544 |
7 | 131003446255 |
oct | 25263122030 |
9 | 7351012221 |
10 | 2865538072 |
11 | 1240581191 |
12 | 67b7b55b4 |
13 | 368895b77 |
14 | 1d280442c |
15 | 11b8834b7 |
hex | aacca418 |
2865538072 has 32 divisors (see below), whose sum is σ = 5595338880. Its totient is φ = 1374266880.
The previous prime is 2865538063. The next prime is 2865538079. The reversal of 2865538072 is 2708355682.
It is a happy number.
It is a super-2 number, since 2×28655380722 = 16422616884162954368, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2865538079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23103 + ... + 79150.
It is an arithmetic number, because the mean of its divisors is an integer number (174854340).
Almost surely, 22865538072 is an apocalyptic number.
It is an amenable number.
2865538072 is a deficient number, since it is larger than the sum of its proper divisors (2729800808).
2865538072 is a wasteful number, since it uses less digits than its factorization.
2865538072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102403 (or 102399 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 46.
The square root of 2865538072 is about 53530.7208245882. The cubic root of 2865538072 is about 1420.3718645213.
The spelling of 2865538072 in words is "two billion, eight hundred sixty-five million, five hundred thirty-eight thousand, seventy-two".
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