Base | Representation |
---|---|
bin | 100111001000010… |
… | …1111100110000111 |
3 | 10101111122220222220 |
4 | 1032100233212013 |
5 | 10142112341403 |
6 | 334142223423 |
7 | 44352263424 |
oct | 11620574607 |
9 | 3344586886 |
10 | 1313012103 |
11 | 614185477 |
12 | 307884b73 |
13 | 17c042850 |
14 | c654ad4b |
15 | 7a410953 |
hex | 4e42f987 |
1313012103 has 16 divisors (see below), whose sum is σ = 1893187296. Its totient is φ = 804648960.
The previous prime is 1313012101. The next prime is 1313012123. The reversal of 1313012103 is 3012103131.
1313012103 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1313012103 - 21 = 1313012101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1313012101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60450 + ... + 79247.
It is an arithmetic number, because the mean of its divisors is an integer number (118324206).
Almost surely, 21313012103 is an apocalyptic number.
1313012103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1313012103 is a deficient number, since it is larger than the sum of its proper divisors (580175193).
1313012103 is a wasteful number, since it uses less digits than its factorization.
1313012103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139954.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 1313012103 is about 36235.5088690638. The cubic root of 1313012103 is about 1095.0221642268.
Adding to 1313012103 its reverse (3012103131), we get a palindrome (4325115234).
It can be divided in two parts, 131 and 3012103, that multiplied together give a palindrome (394585493).
The spelling of 1313012103 in words is "one billion, three hundred thirteen million, twelve thousand, one hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •