Base | Representation |
---|---|
bin | 10001011110100001010… |
… | …011000101111000110010 |
3 | 11020210222220011121022210 |
4 | 101132201103011320302 |
5 | 124134123003342320 |
6 | 2315422133112550 |
7 | 152524643444310 |
oct | 21364123057062 |
9 | 4223886147283 |
10 | 1201002012210 |
11 | 423384364760 |
12 | 174919188756 |
13 | 8933c07aa40 |
14 | 421b363b0b0 |
15 | 21392b680e0 |
hex | 117a14c5e32 |
1201002012210 has 512 divisors, whose sum is σ = 4030487838720. Its totient is φ = 220921344000.
The previous prime is 1201002012149. The next prime is 1201002012211. The reversal of 1201002012210 is 122102001021.
It is not an unprimeable number, because it can be changed into a prime (1201002012211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 131496804 + ... + 131505936.
It is an arithmetic number, because the mean of its divisors is an integer number (7872046560).
Almost surely, 21201002012210 is an apocalyptic number.
1201002012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1201002012210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2015243919360).
1201002012210 is an abundant number, since it is smaller than the sum of its proper divisors (2829485826510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201002012210 is a wasteful number, since it uses less digits than its factorization.
1201002012210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9354.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 1201002012210 its reverse (122102001021), we get a palindrome (1323104013231).
The spelling of 1201002012210 in words is "one trillion, two hundred one billion, two million, twelve thousand, two hundred ten".
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