Base | Representation |
---|---|
bin | 100111000011000… |
… | …1100100111101111 |
3 | 10101022110110112202 |
4 | 1032012030213233 |
5 | 10140410404112 |
6 | 334003052115 |
7 | 44316630200 |
oct | 11606144757 |
9 | 3338413482 |
10 | 1310247407 |
11 | 6126672a7 |
12 | 30697103b |
13 | 17b5b5331 |
14 | c602b5a7 |
15 | 7a0666c2 |
hex | 4e18c9ef |
1310247407 has 6 divisors (see below), whose sum is σ = 1524165408. Its totient is φ = 1123069164.
The previous prime is 1310247403. The next prime is 1310247413. The reversal of 1310247407 is 7047420131.
It is not a de Polignac number, because 1310247407 - 22 = 1310247403 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1310247407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1310247403) 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 5 ways as a sum of consecutive naturals, for example, 13369823 + ... + 13369920.
It is an arithmetic number, because the mean of its divisors is an integer number (254027568).
Almost surely, 21310247407 is an apocalyptic number.
1310247407 is a deficient number, since it is larger than the sum of its proper divisors (213918001).
1310247407 is an equidigital number, since it uses as much as digits as its factorization.
1310247407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26739757 (or 26739750 counting only the distinct ones).
The product of its (nonzero) digits is 4704, while the sum is 29.
The square root of 1310247407 is about 36197.3397779450. The cubic root of 1310247407 is about 1094.2530596805.
Adding to 1310247407 its reverse (7047420131), we get a palindrome (8357667538).
The spelling of 1310247407 in words is "one billion, three hundred ten million, two hundred forty-seven thousand, four hundred seven".
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