Base | Representation |
---|---|
bin | 100111000110101… |
… | …0001011110011110 |
3 | 10101102221200222120 |
4 | 1032031101132132 |
5 | 10141344233202 |
6 | 334110523410 |
7 | 44341454100 |
oct | 11615213636 |
9 | 3342850876 |
10 | 1312102302 |
11 | 613713975 |
12 | 307506566 |
13 | 17bab46c4 |
14 | c6391570 |
15 | 7a2d10bc |
hex | 4e35179e |
1312102302 has 48 divisors (see below), whose sum is σ = 3056965632. Its totient is φ = 374356080.
The previous prime is 1312102283. The next prime is 1312102307. The reversal of 1312102302 is 2032012131.
It is a super-2 number, since 2×13121023022 = 3443224901827398408, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312102307) 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 23 ways as a sum of consecutive naturals, for example, 235683 + ... + 241185.
It is an arithmetic number, because the mean of its divisors is an integer number (63686784).
Almost surely, 21312102302 is an apocalyptic number.
1312102302 is an abundant number, since it is smaller than the sum of its proper divisors (1744863330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312102302 is a wasteful number, since it uses less digits than its factorization.
1312102302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6333 (or 6326 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 1312102302 is about 36222.9526957701. The cubic root of 1312102302 is about 1094.7691880227.
Adding to 1312102302 its reverse (2032012131), we get a palindrome (3344114433).
The spelling of 1312102302 in words is "one billion, three hundred twelve million, one hundred two thousand, three hundred two".
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