Base | Representation |
---|---|
bin | 10010101110110001… |
… | …100100111010001010 |
3 | 1220220122110120220201 |
4 | 102232301210322022 |
5 | 312142144213002 |
6 | 13123412042414 |
7 | 1311253015660 |
oct | 225661447212 |
9 | 56818416821 |
10 | 20112101002 |
11 | 8590836184 |
12 | 3a9360340a |
13 | 1b869973a6 |
14 | d8b146c30 |
15 | 7caa11087 |
hex | 4aec64e8a |
20112101002 has 32 divisors (see below), whose sum is σ = 36057312000. Its totient is φ = 8226290688.
The previous prime is 20112100999. The next prime is 20112101029. The reversal of 20112101002 is 20010121102.
It is a self number, because there is not a number n which added to its sum of digits gives 20112101002.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75024 + ... + 214132.
It is an arithmetic number, because the mean of its divisors is an integer number (1126791000).
Almost surely, 220112101002 is an apocalyptic number.
20112101002 is a deficient number, since it is larger than the sum of its proper divisors (15945210998).
20112101002 is a wasteful number, since it uses less digits than its factorization.
20112101002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139590.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 20112101002 its reverse (20010121102), we get a palindrome (40122222104).
The spelling of 20112101002 in words is "twenty billion, one hundred twelve million, one hundred one thousand, two".
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