Base | Representation |
---|---|
bin | 100110110011100… |
… | …1010101011011001 |
3 | 10100202011012012212 |
4 | 1031213022223121 |
5 | 10131320103420 |
6 | 333112444505 |
7 | 44160530525 |
oct | 11547125331 |
9 | 3322135185 |
10 | 1302112985 |
11 | 609010838 |
12 | 3040a9735 |
13 | 1799c7974 |
14 | c4d10d85 |
15 | 794ab3c5 |
hex | 4d9caad9 |
1302112985 has 8 divisors (see below), whose sum is σ = 1562822856. Its totient is φ = 1041498880.
The previous prime is 1302112969. The next prime is 1302112993. The reversal of 1302112985 is 5892112031.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 441336064 + 860776921 = 21008^2 + 29339^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1302112985 - 24 = 1302112969 is a prime.
It is a super-2 number, since 2×13021129852 = 3390996451411220450, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 10475 + ... + 52095.
It is an arithmetic number, because the mean of its divisors is an integer number (195352857).
Almost surely, 21302112985 is an apocalyptic number.
It is an amenable number.
1302112985 is a deficient number, since it is larger than the sum of its proper divisors (260709871).
1302112985 is an equidigital number, since it uses as much as digits as its factorization.
1302112985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47883.
The product of its (nonzero) digits is 4320, while the sum is 32.
The square root of 1302112985 is about 36084.8026875581. The cubic root of 1302112985 is about 1091.9838698548.
The spelling of 1302112985 in words is "one billion, three hundred two million, one hundred twelve thousand, nine hundred eighty-five".
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