Base | Representation |
---|---|
bin | 10010101110001011… |
… | …111011001111111000 |
3 | 1220212221220010212021 |
4 | 102232023323033320 |
5 | 312132132343112 |
6 | 13122420324224 |
7 | 1311103100362 |
oct | 225613731770 |
9 | 56787803767 |
10 | 20102231032 |
11 | 8586204784 |
12 | 3a90243674 |
13 | 1b8491ca80 |
14 | d89ad7d32 |
15 | 7c9c11907 |
hex | 4ae2fb3f8 |
20102231032 has 16 divisors (see below), whose sum is σ = 40591043640. Its totient is φ = 9277952736.
The previous prime is 20102231003. The next prime is 20102231101. The reversal of 20102231032 is 23013220102.
It is a junction number, because it is equal to n+sod(n) for n = 20102230997 and 20102231015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96645238 + ... + 96645445.
Almost surely, 220102231032 is an apocalyptic number.
It is an amenable number.
20102231032 is an abundant number, since it is smaller than the sum of its proper divisors (20488812608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20102231032 is a wasteful number, since it uses less digits than its factorization.
20102231032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193290702 (or 193290698 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20102231032 its reverse (23013220102), we get a palindrome (43115451134).
The spelling of 20102231032 in words is "twenty billion, one hundred two million, two hundred thirty-one thousand, thirty-two".
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