Base | Representation |
---|---|
bin | 1010001101110010… |
… | …0111010000111111 |
3 | 21002002220112111010 |
4 | 2203130213100333 |
5 | 21103444441241 |
6 | 1132034330303 |
7 | 124645130331 |
oct | 24334472077 |
9 | 7062815433 |
10 | 2742187071 |
11 | 1187990808 |
12 | 646429993 |
13 | 349167900 |
14 | 1c0295451 |
15 | 110b19d16 |
hex | a372743f |
2742187071 has 12 divisors (see below), whose sum is σ = 3959134728. Its totient is φ = 1687499424.
The previous prime is 2742187037. The next prime is 2742187139. The reversal of 2742187071 is 1707812472.
It is not a de Polignac number, because 2742187071 - 27 = 2742186943 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2742187001) 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, 2703820 + ... + 2704833.
It is an arithmetic number, because the mean of its divisors is an integer number (329927894).
Almost surely, 22742187071 is an apocalyptic number.
2742187071 is a deficient number, since it is larger than the sum of its proper divisors (1216947657).
2742187071 is a wasteful number, since it uses less digits than its factorization.
2742187071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5408682 (or 5408669 counting only the distinct ones).
The product of its (nonzero) digits is 43904, while the sum is 39.
The square root of 2742187071 is about 52365.8960679563. The cubic root of 2742187071 is about 1399.6916108151.
The spelling of 2742187071 in words is "two billion, seven hundred forty-two million, one hundred eighty-seven thousand, seventy-one".
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