Base | Representation |
---|---|
bin | 1101010011110001… |
… | …11110000100101000 |
3 | 200102222001100212002 |
4 | 12221320332010220 |
5 | 104113141013422 |
6 | 3141003310132 |
7 | 342031426616 |
oct | 65170760450 |
9 | 20388040762 |
10 | 7145251112 |
11 | 3037342a0a |
12 | 1474b1b348 |
13 | 89b43144c |
14 | 4bad6a6b6 |
15 | 2bc45b692 |
hex | 1a9e3e128 |
7145251112 has 16 divisors (see below), whose sum is σ = 14102469600. Its totient is φ = 3384592560.
The previous prime is 7145251111. The next prime is 7145251117. The reversal of 7145251112 is 2111525417.
It is a super-2 number, since 2×71452511122 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (7145251111) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23503964 + ... + 23504267.
It is an arithmetic number, because the mean of its divisors is an integer number (881404350).
Almost surely, 27145251112 is an apocalyptic number.
It is an amenable number.
7145251112 is a deficient number, since it is larger than the sum of its proper divisors (6957218488).
7145251112 is a wasteful number, since it uses less digits than its factorization.
7145251112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47008256 (or 47008252 counting only the distinct ones).
The product of its digits is 2800, while the sum is 29.
The square root of 7145251112 is about 84529.5871988028. The cubic root of 7145251112 is about 1926.0719154688.
Adding to 7145251112 its reverse (2111525417), we get a palindrome (9256776529).
The spelling of 7145251112 in words is "seven billion, one hundred forty-five million, two hundred fifty-one thousand, one hundred twelve".
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