Base | Representation |
---|---|
bin | 1010110000010110… |
… | …0100101100001100 |
3 | 21110012200000110222 |
4 | 2230011210230030 |
5 | 21403102022111 |
6 | 1154253250512 |
7 | 131355206033 |
oct | 25405445414 |
9 | 7405600428 |
10 | 2887142156 |
11 | 12517976a8 |
12 | 686a93a38 |
13 | 3701bb452 |
14 | 1d562971a |
15 | 11d6ee7db |
hex | ac164b0c |
2887142156 has 12 divisors (see below), whose sum is σ = 5054193480. Its totient is φ = 1443086880.
The previous prime is 2887142149. The next prime is 2887142171. The reversal of 2887142156 is 6512417882.
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, 107465 + ... + 131616.
It is an arithmetic number, because the mean of its divisors is an integer number (421182790).
Almost surely, 22887142156 is an apocalyptic number.
It is an amenable number.
2887142156 is a deficient number, since it is larger than the sum of its proper divisors (2167051324).
2887142156 is a wasteful number, since it uses less digits than its factorization.
2887142156 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 242104 (or 242102 counting only the distinct ones).
The product of its digits is 215040, while the sum is 44.
The square root of 2887142156 is about 53732.1333654267. The cubic root of 2887142156 is about 1423.9324567919.
The spelling of 2887142156 in words is "two billion, eight hundred eighty-seven million, one hundred forty-two thousand, one hundred fifty-six".
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