Base | Representation |
---|---|
bin | 11100111000010110… |
… | …100001100111000010 |
3 | 2222001011011101021000 |
4 | 130320112201213002 |
5 | 1002002102400002 |
6 | 22125040112430 |
7 | 2145314231235 |
oct | 347026414702 |
9 | 88034141230 |
10 | 31010200002 |
11 | 121734a4271 |
12 | 6015305716 |
13 | 2c02763b92 |
14 | 170268d41c |
15 | c1767261c |
hex | 7385a19c2 |
31010200002 has 32 divisors (see below), whose sum is σ = 69940094400. Its totient is φ = 10182452544.
The previous prime is 31010199977. The next prime is 31010200007. The reversal of 31010200002 is 20000201013.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (31010200007) 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, 4281927 + ... + 4289162.
It is an arithmetic number, because the mean of its divisors is an integer number (2185627950).
Almost surely, 231010200002 is an apocalyptic number.
31010200002 is an abundant number, since it is smaller than the sum of its proper divisors (38929894398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31010200002 is a wasteful number, since it uses less digits than its factorization.
31010200002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8571167 (or 8571161 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
Adding to 31010200002 its reverse (20000201013), we get a palindrome (51010401015).
The spelling of 31010200002 in words is "thirty-one billion, ten million, two hundred thousand, two".
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