Base | Representation |
---|---|
bin | 11010101101000010… |
… | …010011111101110110 |
3 | 2202000021001121211000 |
4 | 122231002103331312 |
5 | 432210223240324 |
6 | 21101103024130 |
7 | 2033353233654 |
oct | 325502237566 |
9 | 82007047730 |
10 | 28672868214 |
11 | 111840a5301 |
12 | 568259b046 |
13 | 291c44a813 |
14 | 15600a3dd4 |
15 | b2c3799c9 |
hex | 6ad093f76 |
28672868214 has 32 divisors (see below), whose sum is σ = 63727534080. Its totient is φ = 9556115400.
The previous prime is 28672868201. The next prime is 28672868249. The reversal of 28672868214 is 41286827682.
28672868214 is a `hidden beast` number, since 286 + 7 + 286 + 82 + 1 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334779 + ... + 411609.
It is an arithmetic number, because the mean of its divisors is an integer number (1991485440).
Almost surely, 228672868214 is an apocalyptic number.
28672868214 is an abundant number, since it is smaller than the sum of its proper divisors (35054665866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28672868214 is a wasteful number, since it uses less digits than its factorization.
28672868214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83753 (or 83747 counting only the distinct ones).
The product of its digits is 4128768, while the sum is 54.
The spelling of 28672868214 in words is "twenty-eight billion, six hundred seventy-two million, eight hundred sixty-eight thousand, two hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •