Base | Representation |
---|---|
bin | 1111010100101111… |
… | …00110010101000101 |
3 | 210020100121000202001 |
4 | 13222113212111011 |
5 | 113322104202044 |
6 | 3440205345301 |
7 | 410605351213 |
oct | 75227462505 |
9 | 23210530661 |
10 | 8227022149 |
11 | 3541a37565 |
12 | 1717268231 |
13 | a1159bb58 |
14 | 5808c1cb3 |
15 | 3323e12d4 |
hex | 1ea5e6545 |
8227022149 has 4 divisors (see below), whose sum is σ = 8382249036. Its totient is φ = 8071795264.
The previous prime is 8227022137. The next prime is 8227022161. The reversal of 8227022149 is 9412207228.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (8227022137) and next prime (8227022161).
It can be written as a sum of positive squares in 2 ways, for example, as 4217853025 + 4009169124 = 64945^2 + 63318^2 .
It is a cyclic number.
It is not a de Polignac number, because 8227022149 - 219 = 8226497861 is a prime.
It is a super-3 number, since 3×82270221493 (a number of 31 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8227022189) 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, 77613364 + ... + 77613469.
It is an arithmetic number, because the mean of its divisors is an integer number (2095562259).
Almost surely, 28227022149 is an apocalyptic number.
It is an amenable number.
8227022149 is a deficient number, since it is larger than the sum of its proper divisors (155226887).
8227022149 is a wasteful number, since it uses less digits than its factorization.
8227022149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155226886.
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 8227022149 is about 90702.9335192639. The cubic root of 8227022149 is about 2018.7423263754.
The spelling of 8227022149 in words is "eight billion, two hundred twenty-seven million, twenty-two thousand, one hundred forty-nine".
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