Base | Representation |
---|---|
bin | 111011011000010… |
… | …0000000110100111 |
3 | 12010212002201111200 |
4 | 1312300200012213 |
5 | 13040030112040 |
6 | 525412333543 |
7 | 100242224565 |
oct | 16660400647 |
9 | 5125081450 |
10 | 1992425895 |
11 | 932744079 |
12 | 4773142b3 |
13 | 259a24a45 |
14 | 14c886a35 |
15 | b9db8630 |
hex | 76c201a7 |
1992425895 has 12 divisors (see below), whose sum is σ = 3453538296. Its totient is φ = 1062627120.
The previous prime is 1992425849. The next prime is 1992425951. The reversal of 1992425895 is 5985242991.
1992425895 is a `hidden beast` number, since 19 + 9 + 2 + 42 + 589 + 5 = 666.
It is not a de Polignac number, because 1992425895 - 220 = 1991377319 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22138021 + ... + 22138110.
It is an arithmetic number, because the mean of its divisors is an integer number (287794858).
Almost surely, 21992425895 is an apocalyptic number.
1992425895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1992425895 is a deficient number, since it is larger than the sum of its proper divisors (1461112401).
1992425895 is a wasteful number, since it uses less digits than its factorization.
1992425895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44276142 (or 44276139 counting only the distinct ones).
The product of its digits is 2332800, while the sum is 54.
The square root of 1992425895 is about 44636.5981566696. The cubic root of 1992425895 is about 1258.3285755513.
The spelling of 1992425895 in words is "one billion, nine hundred ninety-two million, four hundred twenty-five thousand, eight hundred ninety-five".
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