Base | Representation |
---|---|
bin | 1011101101001010101… |
… | …1111101001111100100 |
3 | 201020002020012210001200 |
4 | 2323102223331033210 |
5 | 11243324411442040 |
6 | 232215140122500 |
7 | 20346345166503 |
oct | 2732253751744 |
9 | 636066183050 |
10 | 201103234020 |
11 | 78318595257 |
12 | 32b85096430 |
13 | 15c6ba62b80 |
14 | 9a3a82283a |
15 | 5370248630 |
hex | 2ed2afd3e4 |
201103234020 has 144 divisors (see below), whose sum is σ = 659012019120. Its totient is φ = 49345993728.
The previous prime is 201103234009. The next prime is 201103234037. The reversal of 201103234020 is 20432301102.
201103234020 is a `hidden beast` number, since 201 + 103 + 2 + 340 + 20 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 97989033024 + 103114200996 = 313032^2 + 321114^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 201103233984 and 201103234002.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 606226 + ... + 877334.
It is an arithmetic number, because the mean of its divisors is an integer number (4576472355).
Almost surely, 2201103234020 is an apocalyptic number.
201103234020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 201103234020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329506009560).
201103234020 is an abundant number, since it is smaller than the sum of its proper divisors (457908785100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201103234020 is a wasteful number, since it uses less digits than its factorization.
201103234020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 271454 (or 271449 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 201103234020 its reverse (20432301102), we get a palindrome (221535535122).
The spelling of 201103234020 in words is "two hundred one billion, one hundred three million, two hundred thirty-four thousand, twenty".
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