Base | Representation |
---|---|
bin | 111111000011110… |
… | …1000101101001010 |
3 | 12110110111102121010 |
4 | 1332013220231022 |
5 | 13313134242304 |
6 | 545543424350 |
7 | 103302054624 |
oct | 17607505512 |
9 | 5413442533 |
10 | 2115930954 |
11 | 99642a275 |
12 | 4b07550b6 |
13 | 2794a8167 |
14 | 161035c14 |
15 | c5b62789 |
hex | 7e1e8b4a |
2115930954 has 16 divisors (see below), whose sum is σ = 4415856192. Its totient is φ = 674644608.
The previous prime is 2115930923. The next prime is 2115931007. The reversal of 2115930954 is 4590395112.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7666279 + ... + 7666554.
It is an arithmetic number, because the mean of its divisors is an integer number (275991012).
Almost surely, 22115930954 is an apocalyptic number.
2115930954 is an abundant number, since it is smaller than the sum of its proper divisors (2299925238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2115930954 is a wasteful number, since it uses less digits than its factorization.
2115930954 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15332861.
The product of its (nonzero) digits is 48600, while the sum is 39.
The square root of 2115930954 is about 45999.2494938776. The cubic root of 2115930954 is about 1283.8092405442.
The spelling of 2115930954 in words is "two billion, one hundred fifteen million, nine hundred thirty thousand, nine hundred fifty-four".
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