Base | Representation |
---|---|
bin | 1100111110000000… |
… | …1010001011000011 |
3 | 22222121201002000002 |
4 | 3033200022023003 |
5 | 24112204021422 |
6 | 1333240350215 |
7 | 152161452314 |
oct | 31740121303 |
9 | 8877632002 |
10 | 3481313987 |
11 | 15271247a8 |
12 | 811a7536b |
13 | 436326308 |
14 | 2504d660b |
15 | 15596a692 |
hex | cf80a2c3 |
3481313987 has 4 divisors (see below), whose sum is σ = 3506725176. Its totient is φ = 3455902800.
The previous prime is 3481313963. The next prime is 3481313993. The reversal of 3481313987 is 7893131843.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7893131843 = 29131 ⋅270953.
It is a cyclic number.
It is not a de Polignac number, because 3481313987 - 212 = 3481309891 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3481313287) 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, 12705389 + ... + 12705662.
It is an arithmetic number, because the mean of its divisors is an integer number (876681294).
Almost surely, 23481313987 is an apocalyptic number.
3481313987 is a deficient number, since it is larger than the sum of its proper divisors (25411189).
3481313987 is a wasteful number, since it uses less digits than its factorization.
3481313987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25411188.
The product of its digits is 435456, while the sum is 47.
The square root of 3481313987 is about 59002.6608467788. The cubic root of 3481313987 is about 1515.5876754457.
The spelling of 3481313987 in words is "three billion, four hundred eighty-one million, three hundred thirteen thousand, nine hundred eighty-seven".
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