Base | Representation |
---|---|
bin | 10111111101101… |
… | …01001011011010 |
3 | 112000020212202201 |
4 | 23332311023122 |
5 | 402430120442 |
6 | 31540320414 |
7 | 4660433332 |
oct | 1376651332 |
9 | 460225681 |
10 | 201020122 |
11 | a351a436 |
12 | 573a310a |
13 | 32853724 |
14 | 1c9aa0c2 |
15 | 129ab7b7 |
hex | bfb52da |
201020122 has 8 divisors (see below), whose sum is σ = 302959872. Its totient is φ = 100033500.
The previous prime is 201020101. The next prime is 201020123. The reversal of 201020122 is 221020102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 201020099 and 201020108.
It is not an unprimeable number, because it can be changed into a prime (201020123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237754 + ... + 238597.
It is an arithmetic number, because the mean of its divisors is an integer number (37869984).
Almost surely, 2201020122 is an apocalyptic number.
201020122 is a deficient number, since it is larger than the sum of its proper divisors (101939750).
201020122 is a wasteful number, since it uses less digits than its factorization.
201020122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 476564.
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 201020122 is about 14178.1565092222. The cubic root of 201020122 is about 585.7961468711.
Adding to 201020122 its reverse (221020102), we get a palindrome (422040224).
The spelling of 201020122 in words is "two hundred one million, twenty thousand, one hundred twenty-two".
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