Base | Representation |
---|---|
bin | 111100000110101… |
… | …011010010011011 |
3 | 2121021110011121101 |
4 | 330012223102123 |
5 | 4031121230011 |
6 | 244021052231 |
7 | 33663054340 |
oct | 7406532233 |
9 | 2537404541 |
10 | 1008383131 |
11 | 47822a198 |
12 | 241857077 |
13 | 130bb3b12 |
14 | 97cd07c7 |
15 | 5d7da2c1 |
hex | 3c1ab49b |
1008383131 has 16 divisors (see below), whose sum is σ = 1173004288. Its totient is φ = 848944800.
The previous prime is 1008383113. The next prime is 1008383147. The reversal of 1008383131 is 1313838001.
It is a cyclic number.
It is not a de Polignac number, because 1008383131 - 29 = 1008382619 is a prime.
It is a super-2 number, since 2×10083831312 = 2033673077770726322, which contains 22 as substring.
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 1008383131.
It is not an unprimeable number, because it can be changed into a prime (1008383171) 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, 421966 + ... + 424348.
It is an arithmetic number, because the mean of its divisors is an integer number (73312768).
Almost surely, 21008383131 is an apocalyptic number.
1008383131 is a deficient number, since it is larger than the sum of its proper divisors (164621157).
1008383131 is an equidigital number, since it uses as much as digits as its factorization.
1008383131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3442.
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 1008383131 is about 31755.0489056465. The cubic root of 1008383131 is about 1002.7866046219.
The spelling of 1008383131 in words is "one billion, eight million, three hundred eighty-three thousand, one hundred thirty-one".
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