Base | Representation |
---|---|
bin | 10010101110010000… |
… | …100101011111001110 |
3 | 1220220001012012120100 |
4 | 102232100211133032 |
5 | 312132440440442 |
6 | 13122502431530 |
7 | 1311116346021 |
oct | 225620453716 |
9 | 56801165510 |
10 | 20103452622 |
11 | 8586969560 |
12 | 3a907325a6 |
13 | 1b84c59ac6 |
14 | d89d351b8 |
15 | 7c9da384c |
hex | 4ae4257ce |
20103452622 has 96 divisors (see below), whose sum is σ = 48807323136. Its totient is φ = 5927644800.
The previous prime is 20103452599. The next prime is 20103452623. The reversal of 20103452622 is 22625430102.
It is a happy number.
20103452622 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 34 + 5 + 2 + 622 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20103452623) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2302938 + ... + 2311650.
It is an arithmetic number, because the mean of its divisors is an integer number (508409616).
Almost surely, 220103452622 is an apocalyptic number.
20103452622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 20103452622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24403661568).
20103452622 is an abundant number, since it is smaller than the sum of its proper divisors (28703870514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20103452622 is a wasteful number, since it uses less digits than its factorization.
20103452622 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9046 (or 9043 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 20103452622 its reverse (22625430102), we get a palindrome (42728882724).
The spelling of 20103452622 in words is "twenty billion, one hundred three million, four hundred fifty-two thousand, six hundred twenty-two".
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