Base | Representation |
---|---|
bin | 101011011110011111100… |
… | …010101011100001001000 |
3 | 101120121201111000112111020 |
4 | 223132133202223201020 |
5 | 342422231302023313 |
6 | 10204304252232440 |
7 | 425565316653045 |
oct | 53363742534110 |
9 | 11517644015436 |
10 | 2987678939208 |
11 | a52081966407 |
12 | 40304776b720 |
13 | 1889770053a2 |
14 | a48667c21cc |
15 | 52ab2c04323 |
hex | 2b79f8ab848 |
2987678939208 has 16 divisors (see below), whose sum is σ = 7469197348080. Its totient is φ = 995892979728.
The previous prime is 2987678939149. The next prime is 2987678939257. The reversal of 2987678939208 is 8029398767892.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62243311210 + ... + 62243311257.
It is an arithmetic number, because the mean of its divisors is an integer number (466824834255).
Almost surely, 22987678939208 is an apocalyptic number.
It is an amenable number.
2987678939208 is an abundant number, since it is smaller than the sum of its proper divisors (4481518408872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2987678939208 is a wasteful number, since it uses less digits than its factorization.
2987678939208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124486622476 (or 124486622472 counting only the distinct ones).
The product of its (nonzero) digits is 1316818944, while the sum is 78.
The spelling of 2987678939208 in words is "two trillion, nine hundred eighty-seven billion, six hundred seventy-eight million, nine hundred thirty-nine thousand, two hundred eight".
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