Base | Representation |
---|---|
bin | 1010110000011110… |
… | …1100001000110011 |
3 | 21110020201012111210 |
4 | 2230013230020303 |
5 | 21403222300242 |
6 | 1154313211203 |
7 | 131363006352 |
oct | 25407541063 |
9 | 7406635453 |
10 | 2887696947 |
11 | 1252036503 |
12 | 687100b03 |
13 | 370353b25 |
14 | 1d5731999 |
15 | 11d7add9c |
hex | ac1ec233 |
2887696947 has 8 divisors (see below), whose sum is σ = 3850598656. Its totient is φ = 1924963272.
The previous prime is 2887696939. The next prime is 2887696957. The reversal of 2887696947 is 7496967882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2887696947 - 23 = 2887696939 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2887696927) 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, 5898 + ... + 76224.
It is an arithmetic number, because the mean of its divisors is an integer number (481324832).
Almost surely, 22887696947 is an apocalyptic number.
2887696947 is a deficient number, since it is larger than the sum of its proper divisors (962901709).
2887696947 is a wasteful number, since it uses less digits than its factorization.
2887696947 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84017.
The product of its digits is 73156608, while the sum is 66.
The square root of 2887696947 is about 53737.2956800024. The cubic root of 2887696947 is about 1424.0236582030.
The spelling of 2887696947 in words is "two billion, eight hundred eighty-seven million, six hundred ninety-six thousand, nine hundred forty-seven".
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