Base | Representation |
---|---|
bin | 10010111011110100… |
… | …100111110010011000 |
3 | 1221110220100222001022 |
4 | 102323310213302120 |
5 | 313114214044112 |
6 | 13201231542012 |
7 | 1316551450214 |
oct | 227364476230 |
9 | 57426328038 |
10 | 20331003032 |
11 | 869335954a |
12 | 3b3498a908 |
13 | 1bc013c112 |
14 | dac249944 |
15 | 7ded50d72 |
hex | 4bbd27c98 |
20331003032 has 32 divisors (see below), whose sum is σ = 39027225600. Its totient is φ = 9923986464.
The previous prime is 20331003031. The next prime is 20331003041. The reversal of 20331003032 is 23030013302.
It is a self number, because there is not a number n which added to its sum of digits gives 20331003032.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20331003031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703769 + ... + 732087.
It is an arithmetic number, because the mean of its divisors is an integer number (1219600800).
Almost surely, 220331003032 is an apocalyptic number.
It is an amenable number.
20331003032 is a deficient number, since it is larger than the sum of its proper divisors (18696222568).
20331003032 is a wasteful number, since it uses less digits than its factorization.
20331003032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30455 (or 30451 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 17.
Adding to 20331003032 its reverse (23030013302), we get a palindrome (43361016334).
The spelling of 20331003032 in words is "twenty billion, three hundred thirty-one million, three thousand, thirty-two".
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