Base | Representation |
---|---|
bin | 10111111101110… |
… | …00000100100000 |
3 | 112000021111000110 |
4 | 23332320010200 |
5 | 402431010333 |
6 | 31540451320 |
7 | 4660513014 |
oct | 1376700440 |
9 | 460244013 |
10 | 201031968 |
11 | a3528325 |
12 | 573a9b40 |
13 | 32858c37 |
14 | 1c9b0544 |
15 | 129b0063 |
hex | bfb8120 |
201031968 has 48 divisors (see below), whose sum is σ = 537679296. Its totient is φ = 65744640.
The previous prime is 201031907. The next prime is 201031969. The reversal of 201031968 is 869130102.
It is a tau number, because it is divible by the number of its divisors (48).
It is not an unprimeable number, because it can be changed into a prime (201031969) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14668 + ... + 24843.
It is an arithmetic number, because the mean of its divisors is an integer number (11201652).
Almost surely, 2201031968 is an apocalyptic number.
It is an amenable number.
201031968 is an abundant number, since it is smaller than the sum of its proper divisors (336647328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201031968 is a wasteful number, since it uses less digits than its factorization.
201031968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39577 (or 39569 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 201031968 is about 14178.5742583660. The cubic root of 201031968 is about 585.8076535216.
The spelling of 201031968 in words is "two hundred one million, thirty-one thousand, nine hundred sixty-eight".
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