Base | Representation |
---|---|
bin | 10010101010000000… |
… | …011001111001111100 |
3 | 1220201001221012221011 |
4 | 102222000121321330 |
5 | 312011204231022 |
6 | 13111433245004 |
7 | 1306262025526 |
oct | 225200317174 |
9 | 56631835834 |
10 | 20032102012 |
11 | 854a66580a |
12 | 3a70863764 |
13 | 1b73237600 |
14 | d80680a16 |
15 | 7c39ac977 |
hex | 4aa019e7c |
20032102012 has 36 divisors (see below), whose sum is σ = 38126300520. Its totient is φ = 9205140672.
The previous prime is 20032102003. The next prime is 20032102033. The reversal of 20032102012 is 21020123002.
It is a super-2 number, since 2×200321020122 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a junction number, because it is equal to n+sod(n) for n = 20032101983 and 20032102001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90103 + ... + 219505.
Almost surely, 220032102012 is an apocalyptic number.
It is an amenable number.
20032102012 is a deficient number, since it is larger than the sum of its proper divisors (18094198508).
20032102012 is a wasteful number, since it uses less digits than its factorization.
20032102012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129662 (or 129647 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 20032102012 its reverse (21020123002), we get a palindrome (41052225014).
The spelling of 20032102012 in words is "twenty billion, thirty-two million, one hundred two thousand, twelve".
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