Base | Representation |
---|---|
bin | 111011011000010… |
… | …1000110110010001 |
3 | 12010212011112122021 |
4 | 1312300220312101 |
5 | 13040032233323 |
6 | 525413211441 |
7 | 100242434164 |
oct | 16660506621 |
9 | 5125145567 |
10 | 1992461713 |
11 | 932768a80 |
12 | 477330b81 |
13 | 259a38138 |
14 | 14c895adb |
15 | b9dc405d |
hex | 76c28d91 |
1992461713 has 4 divisors (see below), whose sum is σ = 2173594608. Its totient is φ = 1811328820.
The previous prime is 1992461689. The next prime is 1992461747. The reversal of 1992461713 is 3171642991.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1992461713 - 221 = 1990364561 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1992461713.
It is not an unprimeable number, because it can be changed into a prime (1992461113) 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, 90566431 + ... + 90566452.
It is an arithmetic number, because the mean of its divisors is an integer number (543398652).
Almost surely, 21992461713 is an apocalyptic number.
It is an amenable number.
1992461713 is a deficient number, since it is larger than the sum of its proper divisors (181132895).
1992461713 is a wasteful number, since it uses less digits than its factorization.
1992461713 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181132894.
The product of its digits is 81648, while the sum is 43.
The square root of 1992461713 is about 44636.9993727177. Note that the first 3 decimals coincide. The cubic root of 1992461713 is about 1258.3361158640.
The spelling of 1992461713 in words is "one billion, nine hundred ninety-two million, four hundred sixty-one thousand, seven hundred thirteen".
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