Base | Representation |
---|---|
bin | 100111000111000… |
… | …0001101111100000 |
3 | 10101110022202011201 |
4 | 1032032001233200 |
5 | 10141422100000 |
6 | 334115050544 |
7 | 44343236344 |
oct | 11616015740 |
9 | 3343282151 |
10 | 1312300000 |
11 | 613839460 |
12 | 3075a0a54 |
13 | 17bb5369b |
14 | c6403624 |
15 | 7a31e96a |
hex | 4e381be0 |
1312300000 has 144 divisors (see below), whose sum is σ = 3525805584. Its totient is φ = 476800000.
The previous prime is 1312299991. The next prime is 1312300009. The reversal of 1312300000 is 32131.
It is an interprime number because it is at equal distance from previous prime (1312299991) and next prime (1312300009).
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a self number, because there is not a number n which added to its sum of digits gives 1312300000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312300009) 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, 1099404 + ... + 1100596.
It is an arithmetic number, because the mean of its divisors is an integer number (24484761).
Almost surely, 21312300000 is an apocalyptic number.
1312300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1312300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1762902792).
1312300000 is an abundant number, since it is smaller than the sum of its proper divisors (2213505584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312300000 is an equidigital number, since it uses as much as digits as its factorization.
1312300000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1239 (or 1211 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 1312300000 is about 36225.6814980754. The cubic root of 1312300000 is about 1094.8241692055.
Adding to 1312300000 its reverse (32131), we get a palindrome (1312332131).
The spelling of 1312300000 in words is "one billion, three hundred twelve million, three hundred thousand".
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