Base | Representation |
---|---|
bin | 11101000101100101… |
… | …011011010001010001 |
3 | 2222121121220122201120 |
4 | 131011211123101101 |
5 | 1002430421210001 |
6 | 22203050352453 |
7 | 2153651255556 |
oct | 350545332121 |
9 | 88547818646 |
10 | 31232210001 |
11 | 1227784a703 |
12 | 607772b729 |
13 | 2c39756445 |
14 | 1723d60a2d |
15 | c2bdc8236 |
hex | 74595b451 |
31232210001 has 8 divisors (see below), whose sum is σ = 41665116480. Its totient is φ = 20810388432.
The previous prime is 31232209963. The next prime is 31232210003. The reversal of 31232210001 is 10001223213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31232210001 - 210 = 31232208977 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31232210003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2764650 + ... + 2775923.
It is an arithmetic number, because the mean of its divisors is an integer number (5208139560).
Almost surely, 231232210001 is an apocalyptic number.
It is an amenable number.
31232210001 is a deficient number, since it is larger than the sum of its proper divisors (10432906479).
31232210001 is a wasteful number, since it uses less digits than its factorization.
31232210001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5542455.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 31232210001 its reverse (10001223213), we get a palindrome (41233433214).
The spelling of 31232210001 in words is "thirty-one billion, two hundred thirty-two million, two hundred ten thousand, one".
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