Base | Representation |
---|---|
bin | 111111001001110… |
… | …0001101100110011 |
3 | 12110200100210100210 |
4 | 1332103201230303 |
5 | 13314434013422 |
6 | 550134315203 |
7 | 103340416320 |
oct | 17623415463 |
9 | 5420323323 |
10 | 2119047987 |
11 | 998169131 |
12 | 4b17b8b03 |
13 | 27a029b64 |
14 | 161607b47 |
15 | c607b10c |
hex | 7e4e1b33 |
2119047987 has 16 divisors (see below), whose sum is σ = 3229829120. Its totient is φ = 1210583232.
The previous prime is 2119047923. The next prime is 2119048039. The reversal of 2119047987 is 7897409112.
It is not a de Polignac number, because 2119047987 - 26 = 2119047923 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2119047587) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95439 + ... + 115527.
It is an arithmetic number, because the mean of its divisors is an integer number (201864320).
Almost surely, 22119047987 is an apocalyptic number.
2119047987 is a deficient number, since it is larger than the sum of its proper divisors (1110781133).
2119047987 is a wasteful number, since it uses less digits than its factorization.
2119047987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25122.
The product of its (nonzero) digits is 254016, while the sum is 48.
The square root of 2119047987 is about 46033.1183714508. The cubic root of 2119047987 is about 1284.4393355191.
The spelling of 2119047987 in words is "two billion, one hundred nineteen million, forty-seven thousand, nine hundred eighty-seven".
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