Base | Representation |
---|---|
bin | 100111001000111… |
… | …1101100000011110 |
3 | 10101112021010202102 |
4 | 1032101331200132 |
5 | 10142203044410 |
6 | 334153125102 |
7 | 44355063011 |
oct | 11621754036 |
9 | 3345233672 |
10 | 1313331230 |
11 | 614383212 |
12 | 3079b9792 |
13 | 17c124b93 |
14 | c65d1378 |
15 | 7a4752a5 |
hex | 4e47d81e |
1313331230 has 32 divisors (see below), whose sum is σ = 2386283328. Its totient is φ = 520403200.
The previous prime is 1313331203. The next prime is 1313331263. The reversal of 1313331230 is 321333131.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536810 + ... + 539250.
It is an arithmetic number, because the mean of its divisors is an integer number (74571354).
Almost surely, 21313331230 is an apocalyptic number.
1313331230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1313331230 is a deficient number, since it is larger than the sum of its proper divisors (1072952098).
1313331230 is a wasteful number, since it uses less digits than its factorization.
1313331230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2932.
The product of its (nonzero) digits is 486, while the sum is 20.
The square root of 1313331230 is about 36239.9121135800. The cubic root of 1313331230 is about 1095.1108719216.
Adding to 1313331230 its reverse (321333131), we get a palindrome (1634664361).
The spelling of 1313331230 in words is "one billion, three hundred thirteen million, three hundred thirty-one thousand, two hundred thirty".
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