Base | Representation |
---|---|
bin | 1010110010101111… |
… | …0001001100000000 |
3 | 21110220111201021020 |
4 | 2230223301030000 |
5 | 21413132423231 |
6 | 1155252025440 |
7 | 131536260333 |
oct | 25453611400 |
9 | 7426451236 |
10 | 2897154816 |
11 | 1257406326 |
12 | 68a302280 |
13 | 3722b59ba |
14 | 1d6ab461a |
15 | 11e52b396 |
hex | acaf1300 |
2897154816 has 36 divisors (see below), whose sum is σ = 7710658872. Its totient is φ = 965718016.
The previous prime is 2897154779. The next prime is 2897154823. The reversal of 2897154816 is 6184517982.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885401 + ... + 1886936.
Almost surely, 22897154816 is an apocalyptic number.
It is an amenable number.
2897154816 is an abundant number, since it is smaller than the sum of its proper divisors (4813504056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2897154816 is an equidigital number, since it uses as much as digits as its factorization.
2897154816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3772356 (or 3772342 counting only the distinct ones).
The product of its digits is 967680, while the sum is 51.
The square root of 2897154816 is about 53825.2247185277. The cubic root of 2897154816 is about 1425.5766318830.
The spelling of 2897154816 in words is "two billion, eight hundred ninety-seven million, one hundred fifty-four thousand, eight hundred sixteen".
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