Base | Representation |
---|---|
bin | 1000000000110110… |
… | …1111110001000000 |
3 | 12112220122112212010 |
4 | 2000031233301000 |
5 | 13401134242133 |
6 | 553241132520 |
7 | 104206640106 |
oct | 20015576100 |
9 | 5486575763 |
10 | 2151087168 |
11 | a0426169a |
12 | 50048a140 |
13 | 283867059 |
14 | 165987c76 |
15 | c8ca9263 |
hex | 8036fc40 |
2151087168 has 28 divisors (see below), whose sum is σ = 5691418640. Its totient is φ = 717028992.
The previous prime is 2151087119. The next prime is 2151087187. The reversal of 2151087168 is 8617801512.
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, 5601598 + ... + 5601981.
Almost surely, 22151087168 is an apocalyptic number.
It is an amenable number.
2151087168 is an abundant number, since it is smaller than the sum of its proper divisors (3540331472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2151087168 is a wasteful number, since it uses less digits than its factorization.
2151087168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11203594 (or 11203584 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 39.
The square root of 2151087168 is about 46379.8142298996. The cubic root of 2151087168 is about 1290.8803893470.
The spelling of 2151087168 in words is "two billion, one hundred fifty-one million, eighty-seven thousand, one hundred sixty-eight".
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