Base | Representation |
---|---|
bin | 111011110011110… |
… | …1011000011101000 |
3 | 12011212022111201101 |
4 | 1313213223003220 |
5 | 13102230414210 |
6 | 531050331144 |
7 | 100506162256 |
oct | 16747530350 |
9 | 5155274641 |
10 | 2006888680 |
11 | 93a922195 |
12 | 480129ab4 |
13 | 25ca199c4 |
14 | 15076d5d6 |
15 | bb2c3a3a |
hex | 779eb0e8 |
2006888680 has 32 divisors (see below), whose sum is σ = 4753159200. Its totient is φ = 760504896.
The previous prime is 2006888677. The next prime is 2006888687. The reversal of 2006888680 is 868886002.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 2006888680.
It is not an unprimeable number, because it can be changed into a prime (2006888687) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319562 + ... + 1321081.
It is an arithmetic number, because the mean of its divisors is an integer number (148536225).
Almost surely, 22006888680 is an apocalyptic number.
2006888680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2006888680 is an abundant number, since it is smaller than the sum of its proper divisors (2746270520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2006888680 is a wasteful number, since it uses less digits than its factorization.
2006888680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2640673 (or 2640669 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 46.
The square root of 2006888680 is about 44798.3111288807. The cubic root of 2006888680 is about 1261.3659244390.
The spelling of 2006888680 in words is "two billion, six million, eight hundred eighty-eight thousand, six hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •