Base | Representation |
---|---|
bin | 10010101000110000… |
… | …101011001010111000 |
3 | 1220122121121100102022 |
4 | 102220300223022320 |
5 | 311440331414313 |
6 | 13105405254012 |
7 | 1305616255325 |
oct | 225060531270 |
9 | 56577540368 |
10 | 20011201208 |
11 | 853988a719 |
12 | 3a65864308 |
13 | 1b6baca17b |
14 | d7b99db4c |
15 | 7c1c2ec08 |
hex | 4a8c2b2b8 |
20011201208 has 16 divisors (see below), whose sum is σ = 37570318560. Its totient is φ = 9992449600.
The previous prime is 20011201207. The next prime is 20011201213. The reversal of 20011201208 is 80210211002.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20011201207) 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, 1637408 + ... + 1649583.
It is an arithmetic number, because the mean of its divisors is an integer number (2348144910).
Almost surely, 220011201208 is an apocalyptic number.
It is an amenable number.
20011201208 is a deficient number, since it is larger than the sum of its proper divisors (17559117352).
20011201208 is a wasteful number, since it uses less digits than its factorization.
20011201208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3287758 (or 3287754 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
The spelling of 20011201208 in words is "twenty billion, eleven million, two hundred one thousand, two hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •