Base | Representation |
---|---|
bin | 100100011010111001… |
… | …000011101110011000 |
3 | 10201221100121001202010 |
4 | 210122321003232120 |
5 | 1120042100330434 |
6 | 25544234305520 |
7 | 2553036262653 |
oct | 443271035630 |
9 | 121840531663 |
10 | 39105870744 |
11 | 15648276546 |
12 | 76b45882a0 |
13 | 38c2a630b5 |
14 | 1c6d93c89a |
15 | 103d2699e9 |
hex | 91ae43b98 |
39105870744 has 64 divisors (see below), whose sum is σ = 99435248640. Its totient is φ = 12814398720.
The previous prime is 39105870719. The next prime is 39105870751. The reversal of 39105870744 is 44707850193.
It is a happy number.
It is a super-2 number, since 2×391058707442 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 39105870693 and 39105870702.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280929 + ... + 396399.
It is an arithmetic number, because the mean of its divisors is an integer number (1553675760).
Almost surely, 239105870744 is an apocalyptic number.
It is an amenable number.
39105870744 is an abundant number, since it is smaller than the sum of its proper divisors (60329377896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39105870744 is a wasteful number, since it uses less digits than its factorization.
39105870744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115720 (or 115716 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 48.
The spelling of 39105870744 in words is "thirty-nine billion, one hundred five million, eight hundred seventy thousand, seven hundred forty-four".
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