Base | Representation |
---|---|
bin | 1011110110010101… |
… | …1100011010100100 |
3 | 22012200001210020001 |
4 | 2331211130122210 |
5 | 23003230201130 |
6 | 1243341351044 |
7 | 141551404441 |
oct | 27545343244 |
9 | 8180053201 |
10 | 3180709540 |
11 | 1392478178 |
12 | 749268484 |
13 | 3b8c76368 |
14 | 2226069c8 |
15 | 13938c6ca |
hex | bd95c6a4 |
3180709540 has 48 divisors (see below), whose sum is σ = 6759640944. Its totient is φ = 1257062400.
The previous prime is 3180709517. The next prime is 3180709541. The reversal of 3180709540 is 459070813.
It can be written as a sum of positive squares in 8 ways, for example, as 1163082816 + 2017626724 = 34104^2 + 44918^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 3180709540.
It is not an unprimeable number, because it can be changed into a prime (3180709541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1708210 + ... + 1710070.
It is an arithmetic number, because the mean of its divisors is an integer number (140825853).
Almost surely, 23180709540 is an apocalyptic number.
It is an amenable number.
3180709540 is an abundant number, since it is smaller than the sum of its proper divisors (3578931404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3180709540 is a wasteful number, since it uses less digits than its factorization.
3180709540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2848 (or 2846 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 3180709540 is about 56397.7795662205. The cubic root of 3180709540 is about 1470.6455183967.
The spelling of 3180709540 in words is "three billion, one hundred eighty million, seven hundred nine thousand, five hundred forty".
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