Base | Representation |
---|---|
bin | 10010101111010111… |
… | …011000011001000001 |
3 | 1220221100010002011010 |
4 | 102233113120121001 |
5 | 312202213324301 |
6 | 13124404311133 |
7 | 1311433162455 |
oct | 225727303101 |
9 | 56840102133 |
10 | 20122011201 |
11 | 8596394926 |
12 | 3a969a24a9 |
13 | 1b88a57106 |
14 | d8c5a6665 |
15 | 7cb81c5d6 |
hex | 4af5d8641 |
20122011201 has 16 divisors (see below), whose sum is σ = 27515936448. Its totient is φ = 13072147200.
The previous prime is 20122011149. The next prime is 20122011229. The reversal of 20122011201 is 10211022102.
It is not a de Polignac number, because 20122011201 - 210 = 20122010177 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20122011251) by changing a digit.
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, 9966 + ... + 200856.
It is an arithmetic number, because the mean of its divisors is an integer number (1719746028).
Almost surely, 220122011201 is an apocalyptic number.
It is an amenable number.
20122011201 is a deficient number, since it is larger than the sum of its proper divisors (7393925247).
20122011201 is a wasteful number, since it uses less digits than its factorization.
20122011201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 191792.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 20122011201 its reverse (10211022102), we get a palindrome (30333033303).
The spelling of 20122011201 in words is "twenty billion, one hundred twenty-two million, eleven thousand, two hundred one".
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