Base | Representation |
---|---|
bin | 10000111001101110… |
… | …001110100100111100 |
3 | 1201211210012121001111 |
4 | 100321232032210330 |
5 | 244131430220303 |
6 | 12200500451404 |
7 | 1211505624025 |
oct | 207156164474 |
9 | 51753177044 |
10 | 18148288828 |
11 | 777326600a |
12 | 36259a9b64 |
13 | 1932b80657 |
14 | c423cbc4c |
15 | 7133eab6d |
hex | 439b8e93c |
18148288828 has 24 divisors (see below), whose sum is σ = 33468492960. Its totient is φ = 8593675200.
The previous prime is 18148288819. The next prime is 18148288859. The reversal of 18148288828 is 82888284181.
It is a super-2 number, since 2×181482888282 (a number of 21 digits) contains 22 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, 967263 + ... + 985846.
It is an arithmetic number, because the mean of its divisors is an integer number (1394520540).
Almost surely, 218148288828 is an apocalyptic number.
It is an amenable number.
18148288828 is a deficient number, since it is larger than the sum of its proper divisors (15320204132).
18148288828 is a wasteful number, since it uses less digits than its factorization.
18148288828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1953237 (or 1953235 counting only the distinct ones).
The product of its digits is 4194304, while the sum is 58.
The spelling of 18148288828 in words is "eighteen billion, one hundred forty-eight million, two hundred eighty-eight thousand, eight hundred twenty-eight".
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