Base | Representation |
---|---|
bin | 1110011111000100… |
… | …0001101111011111 |
3 | 101000222200122001122 |
4 | 3213301001233133 |
5 | 30430411422322 |
6 | 1441501401155 |
7 | 165233522222 |
oct | 34761015737 |
9 | 11028618048 |
10 | 3888389087 |
11 | 1715992300 |
12 | 9062691bb |
13 | 49c77405b |
14 | 28c5bd5b9 |
15 | 17b57a442 |
hex | e7c41bdf |
3888389087 has 6 divisors (see below), whose sum is σ = 4274014584. Its totient is φ = 3534899060.
The previous prime is 3888389081. The next prime is 3888389093. The reversal of 3888389087 is 7809838883.
It is an interprime number because it is at equal distance from previous prime (3888389081) and next prime (3888389093).
It is not a de Polignac number, because 3888389087 - 214 = 3888372703 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 (3888389081) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16067603 + ... + 16067844.
It is an arithmetic number, because the mean of its divisors is an integer number (712335764).
Almost surely, 23888389087 is an apocalyptic number.
3888389087 is a deficient number, since it is larger than the sum of its proper divisors (385625497).
3888389087 is a wasteful number, since it uses less digits than its factorization.
3888389087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32135469 (or 32135458 counting only the distinct ones).
The product of its (nonzero) digits is 18579456, while the sum is 62.
The square root of 3888389087 is about 62356.9489872620. The cubic root of 3888389087 is about 1572.4972882946.
The spelling of 3888389087 in words is "three billion, eight hundred eighty-eight million, three hundred eighty-nine thousand, eighty-seven".
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