Base | Representation |
---|---|
bin | 111011001111111… |
… | …0111011011110010 |
3 | 12010112220011111102 |
4 | 1312133313123302 |
5 | 13032421040020 |
6 | 525135044402 |
7 | 100160162621 |
oct | 16637673362 |
9 | 5115804442 |
10 | 1988065010 |
11 | 930235738 |
12 | 475970702 |
13 | 258b58b39 |
14 | 14c06d6b8 |
15 | b9806475 |
hex | 767f76f2 |
1988065010 has 32 divisors (see below), whose sum is σ = 3675177792. Its totient is φ = 773881920.
The previous prime is 1988064997. The next prime is 1988065021. The reversal of 1988065010 is 105608891.
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, 110765 + ... + 127455.
It is an arithmetic number, because the mean of its divisors is an integer number (114849306).
Almost surely, 21988065010 is an apocalyptic number.
1988065010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1988065010 is a deficient number, since it is larger than the sum of its proper divisors (1687112782).
1988065010 is a wasteful number, since it uses less digits than its factorization.
1988065010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17018.
The product of its (nonzero) digits is 17280, while the sum is 38.
The square root of 1988065010 is about 44587.7226375154. The cubic root of 1988065010 is about 1257.4098572191.
The spelling of 1988065010 in words is "one billion, nine hundred eighty-eight million, sixty-five thousand, ten".
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