Base | Representation |
---|---|
bin | 10111111111111… |
… | …00011110000100 |
3 | 112000210201022220 |
4 | 23333330132010 |
5 | 403013442012 |
6 | 31550452340 |
7 | 4663060560 |
oct | 1377743604 |
9 | 460721286 |
10 | 201312132 |
11 | a36a986a |
12 | 575040b0 |
13 | 32926608 |
14 | 1ca446a0 |
15 | 12a1808c |
hex | bffc784 |
201312132 has 48 divisors (see below), whose sum is σ = 549935232. Its totient is φ = 56113920.
The previous prime is 201312131. The next prime is 201312149. The reversal of 201312132 is 231213102.
It is a super-3 number, since 3×2013121323 (a number of 26 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (201312131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25783 + ... + 32670.
It is an arithmetic number, because the mean of its divisors is an integer number (11456984).
Almost surely, 2201312132 is an apocalyptic number.
It is an amenable number.
201312132 is an abundant number, since it is smaller than the sum of its proper divisors (348623100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201312132 is a wasteful number, since it uses less digits than its factorization.
201312132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58508 (or 58506 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 201312132 is about 14188.4506553746. The cubic root of 201312132 is about 586.0796600656.
Adding to 201312132 its reverse (231213102), we get a palindrome (432525234).
The spelling of 201312132 in words is "two hundred one million, three hundred twelve thousand, one hundred thirty-two".
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