Base | Representation |
---|---|
bin | 11101000011101110… |
… | …010111101110001010 |
3 | 2222112110012001002211 |
4 | 131003232113232022 |
5 | 1002344424002310 |
6 | 22200013415334 |
7 | 2153122061353 |
oct | 350356275612 |
9 | 88473161084 |
10 | 31201000330 |
11 | 12261173395 |
12 | 606919a54a |
13 | 2c33149996 |
14 | 171db58d2a |
15 | c292b0c8a |
hex | 743b97b8a |
31201000330 has 8 divisors (see below), whose sum is σ = 56161800612. Its totient is φ = 12480400128.
The previous prime is 31201000301. The next prime is 31201000333. The reversal of 31201000330 is 3300010213.
It can be written as a sum of positive squares in 2 ways, for example, as 26327983081 + 4873017249 = 162259^2 + 69807^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 31201000330.
It is not an unprimeable number, because it can be changed into a prime (31201000333) 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, 1560050007 + ... + 1560050026.
Almost surely, 231201000330 is an apocalyptic number.
31201000330 is a deficient number, since it is larger than the sum of its proper divisors (24960800282).
31201000330 is a wasteful number, since it uses less digits than its factorization.
31201000330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3120100040.
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 31201000330 its reverse (3300010213), we get a palindrome (34501010543).
The spelling of 31201000330 in words is "thirty-one billion, two hundred one million, three hundred thirty", and thus it is an aban number.
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