Base | Representation |
---|---|
bin | 100110111110101… |
… | …0111001010100100 |
3 | 10101011002210110000 |
4 | 1031331113022210 |
5 | 10134312300200 |
6 | 333441301300 |
7 | 44261142534 |
oct | 11575271244 |
9 | 3334083400 |
10 | 1307931300 |
11 | 611325165 |
12 | 306034830 |
13 | 17ac84060 |
14 | c59c74c4 |
15 | 79c5a300 |
hex | 4df572a4 |
1307931300 has 180 divisors, whose sum is σ = 4566302356. Its totient is φ = 321926400.
The previous prime is 1307931263. The next prime is 1307931319. The reversal of 1307931300 is 31397031.
It can be written as a sum of positive squares in 6 ways, for example, as 1542564 + 1306388736 = 1242^2 + 36144^2 .
It is a tau number, because it is divible by the number of its divisors (180).
It is a Harshad number since it is a multiple of its sum of digits (27).
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 59 ways as a sum of consecutive naturals, for example, 99090 + ... + 111510.
Almost surely, 21307931300 is an apocalyptic number.
1307931300 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 1307931300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2283151178).
1307931300 is an abundant number, since it is smaller than the sum of its proper divisors (3258371056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1307931300 is a wasteful number, since it uses less digits than its factorization.
1307931300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12460 (or 12444 counting only the distinct ones).
The product of its (nonzero) digits is 1701, while the sum is 27.
The square root of 1307931300 is about 36165.3328479084. The cubic root of 1307931300 is about 1093.6079138421.
The spelling of 1307931300 in words is "one billion, three hundred seven million, nine hundred thirty-one thousand, three hundred".
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