Base | Representation |
---|---|
bin | 111011110101111… |
… | …1001100011011111 |
3 | 12011221101210112220 |
4 | 1313223321203133 |
5 | 13103021343024 |
6 | 531130200423 |
7 | 100521455415 |
oct | 16753714337 |
9 | 5157353486 |
10 | 2007996639 |
11 | 940509660 |
12 | 480583113 |
13 | 2600170bc |
14 | 15097b2b5 |
15 | bb441e79 |
hex | 77af98df |
2007996639 has 32 divisors (see below), whose sum is σ = 2959517184. Its totient is φ = 1200890880.
The previous prime is 2007996631. The next prime is 2007996643. The reversal of 2007996639 is 9366997002.
It is not a de Polignac number, because 2007996639 - 23 = 2007996631 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2007996591 and 2007996600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2007996631) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1144587 + ... + 1146339.
It is an arithmetic number, because the mean of its divisors is an integer number (92484912).
Almost surely, 22007996639 is an apocalyptic number.
2007996639 is a deficient number, since it is larger than the sum of its proper divisors (951520545).
2007996639 is a wasteful number, since it uses less digits than its factorization.
2007996639 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2207.
The product of its (nonzero) digits is 1102248, while the sum is 51.
The square root of 2007996639 is about 44810.6755026076. The cubic root of 2007996639 is about 1261.5980058423.
The spelling of 2007996639 in words is "two billion, seven million, nine hundred ninety-six thousand, six hundred thirty-nine".
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