Base | Representation |
---|---|
bin | 11010001011010101… |
… | …111111100100010000 |
3 | 2200112212102010121102 |
4 | 122023111333210100 |
5 | 430031021232232 |
6 | 20525031243532 |
7 | 2013350451035 |
oct | 321325774420 |
9 | 80485363542 |
10 | 28107602192 |
11 | 10a140105aa |
12 | 55452195a8 |
13 | 285c2c3897 |
14 | 1508d9d38c |
15 | ae791d662 |
hex | 68b57f910 |
28107602192 has 20 divisors (see below), whose sum is σ = 54514250076. Its totient is φ = 14039408640.
The previous prime is 28107602161. The next prime is 28107602233. The reversal of 28107602192 is 29120670182.
It can be written as a sum of positive squares in 2 ways, for example, as 19778484496 + 8329117696 = 140636^2 + 91264^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883409 + ... + 914672.
Almost surely, 228107602192 is an apocalyptic number.
It is an amenable number.
28107602192 is a deficient number, since it is larger than the sum of its proper divisors (26406647884).
28107602192 is a wasteful number, since it uses less digits than its factorization.
28107602192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1799066 (or 1799060 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 38.
The spelling of 28107602192 in words is "twenty-eight billion, one hundred seven million, six hundred two thousand, one hundred ninety-two".
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