Base | Representation |
---|---|
bin | 100111000111000… |
… | …1001100011111110 |
3 | 10101110101101010000 |
4 | 1032032021203332 |
5 | 10141424111110 |
6 | 334115455130 |
7 | 44343431622 |
oct | 11616114376 |
9 | 3343341100 |
10 | 1312332030 |
11 | 613860529 |
12 | 3075b74a6 |
13 | 17bb65139 |
14 | c6411182 |
15 | 7a3291c0 |
hex | 4e3898fe |
1312332030 has 80 divisors (see below), whose sum is σ = 3536828064. Its totient is φ = 349151040.
The previous prime is 1312332029. The next prime is 1312332037. The reversal of 1312332030 is 302332131.
1312332030 is a `hidden beast` number, since 1 + 312 + 3 + 320 + 30 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1312331994 and 1312332012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312332037) 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 39 ways as a sum of consecutive naturals, for example, 405820 + ... + 409040.
Almost surely, 21312332030 is an apocalyptic number.
1312332030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1312332030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1768414032).
1312332030 is an abundant number, since it is smaller than the sum of its proper divisors (2224496034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312332030 is a wasteful number, since it uses less digits than its factorization.
1312332030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3743 (or 3734 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 1312332030 is about 36226.1235850594. The cubic root of 1312332030 is about 1094.8330764505.
Adding to 1312332030 its reverse (302332131), we get a palindrome (1614664161).
The spelling of 1312332030 in words is "one billion, three hundred twelve million, three hundred thirty-two thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •