Base | Representation |
---|---|
bin | 1001001000111111100010… |
… | …10110101011001101100001 |
3 | 2122011120010120202110012220 |
4 | 10210133301112223031201 |
5 | 10113310203003344301 |
6 | 110425523250141253 |
7 | 4143122503313160 |
oct | 444376126531541 |
9 | 78146116673186 |
10 | 20100201231201 |
11 | 644a4a1647113 |
12 | 2307678881829 |
13 | b2a5966bbca0 |
14 | 4d6bd7d013d7 |
15 | 24ccbbabe936 |
hex | 1247f15ab361 |
20100201231201 has 64 divisors (see below), whose sum is σ = 33694108213248. Its totient is φ = 10374457344768.
The previous prime is 20100201231181. The next prime is 20100201231239. The reversal of 20100201231201 is 10213210200102.
It is not a de Polignac number, because 20100201231201 - 25 = 20100201231169 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20100201231281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59405635 + ... + 59743031.
It is an arithmetic number, because the mean of its divisors is an integer number (526470440832).
Almost surely, 220100201231201 is an apocalyptic number.
20100201231201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
20100201231201 is a deficient number, since it is larger than the sum of its proper divisors (13593906982047).
20100201231201 is a wasteful number, since it uses less digits than its factorization.
20100201231201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 342110.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 20100201231201 its reverse (10213210200102), we get a palindrome (30313411431303).
The spelling of 20100201231201 in words is "twenty trillion, one hundred billion, two hundred one million, two hundred thirty-one thousand, two hundred one".
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