Base | Representation |
---|---|
bin | 1110011100111001… |
… | …1001101010000111 |
3 | 101000100121110122111 |
4 | 3213032121222013 |
5 | 30421100441012 |
6 | 1440535041451 |
7 | 165063415354 |
oct | 34716315207 |
9 | 11010543574 |
10 | 3879312007 |
11 | 171085258a |
12 | 903210287 |
13 | 49a9165bc |
14 | 28b2d962b |
15 | 17a885ba7 |
hex | e7399a87 |
3879312007 has 4 divisors (see below), whose sum is σ = 4004451136. Its totient is φ = 3754172880.
The previous prime is 3879311981. The next prime is 3879312029. The reversal of 3879312007 is 7002139783.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7002139783 = 67 ⋅104509549.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3879312007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3879312077) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62569518 + ... + 62569579.
It is an arithmetic number, because the mean of its divisors is an integer number (1001112784).
Almost surely, 23879312007 is an apocalyptic number.
3879312007 is a deficient number, since it is larger than the sum of its proper divisors (125139129).
3879312007 is a wasteful number, since it uses less digits than its factorization.
3879312007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125139128.
The product of its (nonzero) digits is 63504, while the sum is 40.
The square root of 3879312007 is about 62284.1232337744. The cubic root of 3879312007 is about 1571.2727190576.
The spelling of 3879312007 in words is "three billion, eight hundred seventy-nine million, three hundred twelve thousand, seven".
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