Base | Representation |
---|---|
bin | 1001111111010010… |
… | …0111010101001010 |
3 | 20220212110201001102 |
4 | 2133310213111022 |
5 | 20442412314210 |
6 | 1122023021402 |
7 | 123306161021 |
oct | 23764472512 |
9 | 6825421042 |
10 | 2681369930 |
11 | 1156621a08 |
12 | 629b9a862 |
13 | 339692a35 |
14 | 1b61838b8 |
15 | 10a604ea5 |
hex | 9fd2754a |
2681369930 has 8 divisors (see below), whose sum is σ = 4826465892. Its totient is φ = 1072547968.
The previous prime is 2681369921. The next prime is 2681369939. The reversal of 2681369930 is 399631862.
It is an interprime number because it is at equal distance from previous prime (2681369921) and next prime (2681369939).
It can be written as a sum of positive squares in 2 ways, for example, as 2681271961 + 97969 = 51781^2 + 313^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (2681369939) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134068487 + ... + 134068506.
Almost surely, 22681369930 is an apocalyptic number.
2681369930 is a deficient number, since it is larger than the sum of its proper divisors (2145095962).
2681369930 is a wasteful number, since it uses less digits than its factorization.
2681369930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 268137000.
The product of its (nonzero) digits is 419904, while the sum is 47.
The square root of 2681369930 is about 51781.9459850632. The cubic root of 2681369930 is about 1389.2665471301.
The spelling of 2681369930 in words is "two billion, six hundred eighty-one million, three hundred sixty-nine thousand, nine hundred thirty".
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