Base | Representation |
---|---|
bin | 111011011001001… |
… | …0010000111011100 |
3 | 12010212222110002212 |
4 | 1312302102013130 |
5 | 13040140033032 |
6 | 525430335552 |
7 | 100246211234 |
oct | 16662220734 |
9 | 5125873085 |
10 | 1992892892 |
11 | 932a32a21 |
12 | 4774ba5b8 |
13 | 259b59483 |
14 | 14c968cc4 |
15 | b9e5bbb2 |
hex | 76c921dc |
1992892892 has 12 divisors (see below), whose sum is σ = 3495620016. Its totient is φ = 994144320.
The previous prime is 1992892883. The next prime is 1992892897. The reversal of 1992892892 is 2982982991.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1992892897) 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, 573584 + ... + 577047.
It is an arithmetic number, because the mean of its divisors is an integer number (291301668).
Almost surely, 21992892892 is an apocalyptic number.
It is an amenable number.
1992892892 is a deficient number, since it is larger than the sum of its proper divisors (1502727124).
1992892892 is a wasteful number, since it uses less digits than its factorization.
1992892892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1151068 (or 1151066 counting only the distinct ones).
The product of its digits is 3359232, while the sum is 59.
The square root of 1992892892 is about 44641.8289499881. The cubic root of 1992892892 is about 1258.4268794608.
Subtracting 1992892892 from its reverse (2982982991), we obtain a palindrome (990090099).
The spelling of 1992892892 in words is "one billion, nine hundred ninety-two million, eight hundred ninety-two thousand, eight hundred ninety-two".
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