Base | Representation |
---|---|
bin | 111100001101000… |
… | …1001110111111111 |
3 | 12012210012211120110 |
4 | 1320122021313333 |
5 | 13114122401421 |
6 | 532242121103 |
7 | 101026516560 |
oct | 17032116777 |
9 | 5183184513 |
10 | 2020122111 |
11 | 947340707 |
12 | 484650193 |
13 | 2626a1237 |
14 | 152416167 |
15 | bc539a76 |
hex | 78689dff |
2020122111 has 32 divisors (see below), whose sum is σ = 3161765376. Its totient is φ = 1123200000.
The previous prime is 2020122103. The next prime is 2020122127. The reversal of 2020122111 is 1112210202.
It is not a de Polignac number, because 2020122111 - 23 = 2020122103 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020122151) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342336 + ... + 348186.
It is an arithmetic number, because the mean of its divisors is an integer number (98805168).
Almost surely, 22020122111 is an apocalyptic number.
2020122111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2020122111 is a deficient number, since it is larger than the sum of its proper divisors (1141643265).
2020122111 is a wasteful number, since it uses less digits than its factorization.
2020122111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6303.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 2020122111 is about 44945.7685550042. The cubic root of 2020122111 is about 1264.1323365205.
Adding to 2020122111 its reverse (1112210202), we get a palindrome (3132332313).
The spelling of 2020122111 in words is "two billion, twenty million, one hundred twenty-two thousand, one hundred eleven".
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