Base | Representation |
---|---|
bin | 111111110111011… |
… | …0100011101101100 |
3 | 12112100101122211201 |
4 | 1333232310131230 |
5 | 13342100324243 |
6 | 552351255244 |
7 | 104051012644 |
oct | 17756643554 |
9 | 5470348751 |
10 | 2142979948 |
11 | 9aa72460a |
12 | 4b981a524 |
13 | 281c88b95 |
14 | 164877524 |
15 | c820704d |
hex | 7fbb476c |
2142979948 has 24 divisors (see below), whose sum is σ = 3978474192. Its totient is φ = 1006516224.
The previous prime is 2142979907. The next prime is 2142979973. The reversal of 2142979948 is 8499792412.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5436 + ... + 65692.
It is an arithmetic number, because the mean of its divisors is an integer number (165769758).
Almost surely, 22142979948 is an apocalyptic number.
It is an amenable number.
2142979948 is a deficient number, since it is larger than the sum of its proper divisors (1835494244).
2142979948 is a wasteful number, since it uses less digits than its factorization.
2142979948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60801 (or 60799 counting only the distinct ones).
The product of its digits is 2612736, while the sum is 55.
The square root of 2142979948 is about 46292.3314167692. The cubic root of 2142979948 is about 1289.2566171462.
The spelling of 2142979948 in words is "two billion, one hundred forty-two million, nine hundred seventy-nine thousand, nine hundred forty-eight".
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