Base | Representation |
---|---|
bin | 111111111001010… |
… | …101110110100101 |
3 | 2202201011001111121 |
4 | 333321111312211 |
5 | 4143412340300 |
6 | 254212333541 |
7 | 35364550501 |
oct | 7771256645 |
9 | 2681131447 |
10 | 1071996325 |
11 | 500128784 |
12 | 25b0142b1 |
13 | 14112756a |
14 | a252d301 |
15 | 641a381a |
hex | 3fe55da5 |
1071996325 has 24 divisors (see below), whose sum is σ = 1346822280. Its totient is φ = 846336000.
The previous prime is 1071996323. The next prime is 1071996329. The reversal of 1071996325 is 5236991701.
It can be written as a sum of positive squares in 12 ways, for example, as 133125444 + 938870881 = 11538^2 + 30641^2 .
It is not a de Polignac number, because 1071996325 - 21 = 1071996323 is a prime.
It is a super-2 number, since 2×10719963252 = 2298352241627011250, which contains 22 as substring.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1071996323) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1153461 + ... + 1154389.
It is an arithmetic number, because the mean of its divisors is an integer number (56117595).
Almost surely, 21071996325 is an apocalyptic number.
It is an amenable number.
1071996325 is a deficient number, since it is larger than the sum of its proper divisors (274825955).
1071996325 is a wasteful number, since it uses less digits than its factorization.
1071996325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1497 (or 1492 counting only the distinct ones).
The product of its (nonzero) digits is 102060, while the sum is 43.
The square root of 1071996325 is about 32741.3549658532. The cubic root of 1071996325 is about 1023.4448198649. Note that the first 3 decimals are identical.
The spelling of 1071996325 in words is "one billion, seventy-one million, nine hundred ninety-six thousand, three hundred twenty-five".
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