Base | Representation |
---|---|
bin | 111010111110101… |
… | …1111101111011010 |
3 | 12002220221102011210 |
4 | 1311331133233122 |
5 | 13023114230231 |
6 | 524214003550 |
7 | 100020455562 |
oct | 16575375732 |
9 | 5086842153 |
10 | 1979055066 |
11 | 9261413aa |
12 | 4729465b6 |
13 | 257022b01 |
14 | 14aba5da2 |
15 | b8b26a46 |
hex | 75f5fbda |
1979055066 has 32 divisors (see below), whose sum is σ = 4089024000. Its totient is φ = 637899840.
The previous prime is 1979055059. The next prime is 1979055077. The reversal of 1979055066 is 6605509791.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284680 + ... + 291548.
It is an arithmetic number, because the mean of its divisors is an integer number (127782000).
Almost surely, 21979055066 is an apocalyptic number.
1979055066 is an abundant number, since it is smaller than the sum of its proper divisors (2109968934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1979055066 is a wasteful number, since it uses less digits than its factorization.
1979055066 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8454.
The product of its (nonzero) digits is 510300, while the sum is 48.
The square root of 1979055066 is about 44486.5717492369. The cubic root of 1979055066 is about 1255.5074462047.
The spelling of 1979055066 in words is "one billion, nine hundred seventy-nine million, fifty-five thousand, sixty-six".
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