Base | Representation |
---|---|
bin | 111111110110010… |
… | …1101110001110010 |
3 | 12112022100122002100 |
4 | 1333230231301302 |
5 | 13341430201044 |
6 | 552331401230 |
7 | 104043224400 |
oct | 17754556162 |
9 | 5468318070 |
10 | 2142428274 |
11 | 9aa388088 |
12 | 4b95b3216 |
13 | 281b24a4c |
14 | 164772470 |
15 | c8148869 |
hex | 7fb2dc72 |
2142428274 has 36 divisors (see below), whose sum is σ = 5399795934. Its totient is φ = 612122112.
The previous prime is 2142428269. The next prime is 2142428291. The reversal of 2142428274 is 4728242412.
It can be written as a sum of positive squares in only one way, i.e., 1193357025 + 949071249 = 34545^2 + 30807^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1213647 + ... + 1215410.
Almost surely, 22142428274 is an apocalyptic number.
2142428274 is an abundant number, since it is smaller than the sum of its proper divisors (3257367660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142428274 is a wasteful number, since it uses less digits than its factorization.
2142428274 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2429079 (or 2429069 counting only the distinct ones).
The product of its digits is 57344, while the sum is 36.
The square root of 2142428274 is about 46286.3724437334. The cubic root of 2142428274 is about 1289.1459752030.
The spelling of 2142428274 in words is "two billion, one hundred forty-two million, four hundred twenty-eight thousand, two hundred seventy-four".
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