Base | Representation |
---|---|
bin | 1101010001011101… |
… | …11110000111101000 |
3 | 200101121112211011110 |
4 | 12220232332013220 |
5 | 104043204241043 |
6 | 3135031430320 |
7 | 341404514415 |
oct | 65056760750 |
9 | 20347484143 |
10 | 7125852648 |
11 | 30273a3622 |
12 | 146a5253a0 |
13 | 8973cba75 |
14 | 4b855b10c |
15 | 2ba8c8b33 |
hex | 1a8bbe1e8 |
7125852648 has 16 divisors (see below), whose sum is σ = 17814631680. Its totient is φ = 2375284208.
The previous prime is 7125852631. The next prime is 7125852649. The reversal of 7125852648 is 8462585217.
It is a super-2 number, since 2×71258526482 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 7125852597 and 7125852606.
It is not an unprimeable number, because it can be changed into a prime (7125852649) 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, 148455240 + ... + 148455287.
It is an arithmetic number, because the mean of its divisors is an integer number (1113414480).
Almost surely, 27125852648 is an apocalyptic number.
It is an amenable number.
7125852648 is an abundant number, since it is smaller than the sum of its proper divisors (10688779032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7125852648 is a wasteful number, since it uses less digits than its factorization.
7125852648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 296910536 (or 296910532 counting only the distinct ones).
The product of its digits is 1075200, while the sum is 48.
The square root of 7125852648 is about 84414.7655804362. The cubic root of 7125852648 is about 1924.3273208643.
The spelling of 7125852648 in words is "seven billion, one hundred twenty-five million, eight hundred fifty-two thousand, six hundred forty-eight".
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