Base | Representation |
---|---|
bin | 10010111010101101… |
… | …000001000001000010 |
3 | 1221102121001022000222 |
4 | 102322231001001002 |
5 | 313044412411002 |
6 | 13155321343042 |
7 | 1316233060166 |
oct | 227255010102 |
9 | 57377038028 |
10 | 20312232002 |
11 | 86837a85a7 |
12 | 3b2a637a82 |
13 | 1bb92991ba |
14 | da9960ca6 |
15 | 7dd3941a2 |
hex | 4bab41042 |
20312232002 has 8 divisors (see below), whose sum is σ = 30516635712. Its totient is φ = 10140020100.
The previous prime is 20312232001. The next prime is 20312232037. The reversal of 20312232002 is 20023221302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (20312232001) 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 3 ways as a sum of consecutive naturals, for example, 8046374 + ... + 8048897.
It is an arithmetic number, because the mean of its divisors is an integer number (3814579464).
Almost surely, 220312232002 is an apocalyptic number.
20312232002 is a deficient number, since it is larger than the sum of its proper divisors (10204403710).
20312232002 is a wasteful number, since it uses less digits than its factorization.
20312232002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16095904.
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 20312232002 its reverse (20023221302), we get a palindrome (40335453304).
The spelling of 20312232002 in words is "twenty billion, three hundred twelve million, two hundred thirty-two thousand, two".
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