Base | Representation |
---|---|
bin | 1011001000001011… |
… | …0101001101000000 |
3 | 21201011201201120010 |
4 | 2302002311031000 |
5 | 22104143233111 |
6 | 1212223344520 |
7 | 134010550311 |
oct | 26202651500 |
9 | 7634651503 |
10 | 2987086656 |
11 | 12a3150464 |
12 | 6b4452140 |
13 | 387b128c8 |
14 | 204a04608 |
15 | 127392aa6 |
hex | b20b5340 |
2987086656 has 56 divisors (see below), whose sum is σ = 7908848800. Its totient is φ = 995000832.
The previous prime is 2987086649. The next prime is 2987086657. The reversal of 2987086656 is 6566807892.
It is a junction number, because it is equal to n+sod(n) for n = 2987086596 and 2987086605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2987086657) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321630 + ... + 330786.
Almost surely, 22987086656 is an apocalyptic number.
It is an amenable number.
2987086656 is an abundant number, since it is smaller than the sum of its proper divisors (4921762144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2987086656 is a wasteful number, since it uses less digits than its factorization.
2987086656 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10871 (or 10861 counting only the distinct ones).
The product of its (nonzero) digits is 8709120, while the sum is 57.
The square root of 2987086656 is about 54654.2464589898. The cubic root of 2987086656 is about 1440.1772312724.
The spelling of 2987086656 in words is "two billion, nine hundred eighty-seven million, eighty-six thousand, six hundred fifty-six".
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