Base | Representation |
---|---|
bin | 101001010111100… |
… | …0101111111110001 |
3 | 10120201220121201210 |
4 | 1102233011333301 |
5 | 10320321431131 |
6 | 345423150333 |
7 | 46253313561 |
oct | 12257057761 |
9 | 3521817653 |
10 | 1388077041 |
11 | 65259590a |
12 | 328a453a9 |
13 | 191765880 |
14 | d24cada1 |
15 | 81cdc146 |
hex | 52bc5ff1 |
1388077041 has 16 divisors (see below), whose sum is σ = 1996976576. Its totient is φ = 852555456.
The previous prime is 1388077007. The next prime is 1388077043. The reversal of 1388077041 is 1407708831.
It is not a de Polignac number, because 1388077041 - 213 = 1388068849 is a prime.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1388077043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13630 + ... + 54423.
It is an arithmetic number, because the mean of its divisors is an integer number (124811036).
Almost surely, 21388077041 is an apocalyptic number.
It is an amenable number.
1388077041 is a deficient number, since it is larger than the sum of its proper divisors (608899535).
1388077041 is a wasteful number, since it uses less digits than its factorization.
1388077041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68592.
The product of its (nonzero) digits is 37632, while the sum is 39.
The square root of 1388077041 is about 37256.9059504409. The cubic root of 1388077041 is about 1115.5041500084.
The spelling of 1388077041 in words is "one billion, three hundred eighty-eight million, seventy-seven thousand, forty-one".
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