Base | Representation |
---|---|
bin | 10010111010110000… |
… | …101101110101110000 |
3 | 1221102122212120200000 |
4 | 102322300231311300 |
5 | 313100134431112 |
6 | 13155354230000 |
7 | 1316244240234 |
oct | 227260556560 |
9 | 57378776600 |
10 | 20313202032 |
11 | 8684300382 |
12 | 3b2aa25300 |
13 | 1bb9548896 |
14 | da9b345c4 |
15 | 7dd4d67dc |
hex | 4bac2dd70 |
20313202032 has 240 divisors, whose sum is σ = 61411590240. Its totient is φ = 6494515200.
The previous prime is 20313202009. The next prime is 20313202051. The reversal of 20313202032 is 23020231302.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 20313201996 and 20313202014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9722844 + ... + 9724932.
It is an arithmetic number, because the mean of its divisors is an integer number (255881626).
Almost surely, 220313202032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20313202032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30705795120).
20313202032 is an abundant number, since it is smaller than the sum of its proper divisors (41098388208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20313202032 is a wasteful number, since it uses less digits than its factorization.
20313202032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2214 (or 2196 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20313202032 its reverse (23020231302), we get a palindrome (43333433334).
The spelling of 20313202032 in words is "twenty billion, three hundred thirteen million, two hundred two thousand, thirty-two".
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