Base | Representation |
---|---|
bin | 1011011101111111… |
… | …0101011001000001 |
3 | 21221112212211220112 |
4 | 2313133311121001 |
5 | 22301103410211 |
6 | 1225252321105 |
7 | 136201314206 |
oct | 26737653101 |
9 | 7845784815 |
10 | 3078575681 |
11 | 133a859525 |
12 | 71b013195 |
13 | 3a0a6651c |
14 | 212c1bcad |
15 | 13041588b |
hex | b77f5641 |
3078575681 has 4 divisors (see below), whose sum is σ = 3240606000. Its totient is φ = 2916545364.
The previous prime is 3078575671. The next prime is 3078575699. The reversal of 3078575681 is 1865758703.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 3078575681 - 222 = 3074381377 is a prime.
It is a super-3 number, since 3×30785756813 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3078575671) 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 3 ways as a sum of consecutive naturals, for example, 81015131 + ... + 81015168.
It is an arithmetic number, because the mean of its divisors is an integer number (810151500).
Almost surely, 23078575681 is an apocalyptic number.
It is an amenable number.
3078575681 is a deficient number, since it is larger than the sum of its proper divisors (162030319).
3078575681 is a wasteful number, since it uses less digits than its factorization.
3078575681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162030318.
The product of its (nonzero) digits is 1411200, while the sum is 50.
The square root of 3078575681 is about 55484.9139947067. The cubic root of 3078575681 is about 1454.7329577661.
The spelling of 3078575681 in words is "three billion, seventy-eight million, five hundred seventy-five thousand, six hundred eighty-one".
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