Base | Representation |
---|---|
bin | 111100011000101… |
… | …101001010010001 |
3 | 2121121100021211010 |
4 | 330120231022101 |
5 | 4033324000033 |
6 | 244310241133 |
7 | 34051200462 |
oct | 7430551221 |
9 | 2547307733 |
10 | 1013109393 |
11 | 47a96809a |
12 | 2433561a9 |
13 | 131b7a11a |
14 | 987a0d69 |
15 | 5de20863 |
hex | 3c62d291 |
1013109393 has 16 divisors (see below), whose sum is σ = 1452165120. Its totient is φ = 626242896.
The previous prime is 1013109389. The next prime is 1013109413. The reversal of 1013109393 is 3939013101.
It is a happy number.
It is not a de Polignac number, because 1013109393 - 22 = 1013109389 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1013109393.
It is not an unprimeable number, because it can be changed into a prime (1013109343) 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, 186405 + ... + 191762.
It is an arithmetic number, because the mean of its divisors is an integer number (90760320).
Almost surely, 21013109393 is an apocalyptic number.
It is an amenable number.
1013109393 is a deficient number, since it is larger than the sum of its proper divisors (439055727).
1013109393 is a wasteful number, since it uses less digits than its factorization.
1013109393 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 378236.
The product of its (nonzero) digits is 2187, while the sum is 30.
The square root of 1013109393 is about 31829.3794001705. The cubic root of 1013109393 is about 1004.3508404009.
The spelling of 1013109393 in words is "one billion, thirteen million, one hundred nine thousand, three hundred ninety-three".
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