Base | Representation |
---|---|
bin | 1011001000001010… |
… | …0000000011010010 |
3 | 21201011120022201022 |
4 | 2302002200003102 |
5 | 22104133000033 |
6 | 1212221435442 |
7 | 134010036602 |
oct | 26202400322 |
9 | 7634508638 |
10 | 2987000018 |
11 | 12a30a1362 |
12 | 6b440bb82 |
13 | 387ab2342 |
14 | 2049c0c02 |
15 | 127377098 |
hex | b20a00d2 |
2987000018 has 8 divisors (see below), whose sum is σ = 4675304448. Its totient is φ = 1428565204.
The previous prime is 2987000017. The next prime is 2987000053. The reversal of 2987000018 is 8100007892.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2987000017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32467346 + ... + 32467437.
It is an arithmetic number, because the mean of its divisors is an integer number (584413056).
Almost surely, 22987000018 is an apocalyptic number.
2987000018 is a deficient number, since it is larger than the sum of its proper divisors (1688304430).
2987000018 is a wasteful number, since it uses less digits than its factorization.
2987000018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64934808.
The product of its (nonzero) digits is 8064, while the sum is 35.
The square root of 2987000018 is about 54653.4538524328. The cubic root of 2987000018 is about 1440.1633074177.
The spelling of 2987000018 in words is "two billion, nine hundred eighty-seven million, eighteen", and thus it is an aban number.
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