Base | Representation |
---|---|
bin | 1011101101010001011… |
… | …0101001001100011110 |
3 | 201020011011211122222020 |
4 | 2323110112221030132 |
5 | 11243404041420220 |
6 | 232222015401010 |
7 | 20350135001004 |
oct | 2732426511436 |
9 | 636134748866 |
10 | 201131201310 |
11 | 78332357516 |
12 | 32b92523166 |
13 | 15c747a5870 |
14 | 9a40422a74 |
15 | 5372920040 |
hex | 2ed45a931e |
201131201310 has 64 divisors (see below), whose sum is σ = 521183557440. Its totient is φ = 49381908480.
The previous prime is 201131201309. The next prime is 201131201353. The reversal of 201131201310 is 13102131102.
It is a happy number.
It is a super-2 number, since 2×2011312013102 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 201131201310.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511171 + ... + 814590.
It is an arithmetic number, because the mean of its divisors is an integer number (8143493085).
Almost surely, 2201131201310 is an apocalyptic number.
201131201310 is an abundant number, since it is smaller than the sum of its proper divisors (320052356130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201131201310 is a wasteful number, since it uses less digits than its factorization.
201131201310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1326173.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 201131201310 its reverse (13102131102), we get a palindrome (214233332412).
The spelling of 201131201310 in words is "two hundred one billion, one hundred thirty-one million, two hundred one thousand, three hundred ten".
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