Base | Representation |
---|---|
bin | 111111111000110… |
… | …1100110010100100 |
3 | 12112101211000111200 |
4 | 1333301230302210 |
5 | 13342244004243 |
6 | 552415402500 |
7 | 104060306055 |
oct | 17761546244 |
9 | 5471730450 |
10 | 2143734948 |
11 | a0009a883 |
12 | 4b9b23430 |
13 | 282191724 |
14 | 1649d272c |
15 | c8305ad3 |
hex | 7fc6cca4 |
2143734948 has 36 divisors (see below), whose sum is σ = 5499770640. Its totient is φ = 703912176.
The previous prime is 2143734919. The next prime is 2143734949. The reversal of 2143734948 is 8494373412.
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (2143734949) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441978 + ... + 446801.
Almost surely, 22143734948 is an apocalyptic number.
It is an amenable number.
2143734948 is an abundant number, since it is smaller than the sum of its proper divisors (3356035692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143734948 is a wasteful number, since it uses less digits than its factorization.
2143734948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 888856 (or 888851 counting only the distinct ones).
The product of its digits is 580608, while the sum is 45.
The square root of 2143734948 is about 46300.4853970236. The cubic root of 2143734948 is about 1289.4080067189.
The spelling of 2143734948 in words is "two billion, one hundred forty-three million, seven hundred thirty-four thousand, nine hundred forty-eight".
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