Base | Representation |
---|---|
bin | 10010101101011010… |
… | …000100101101111100 |
3 | 1220212001022012101000 |
4 | 102231122010231330 |
5 | 312120311200440 |
6 | 13121232250300 |
7 | 1310554031142 |
oct | 225532045574 |
9 | 56761265330 |
10 | 20089162620 |
11 | 857989923a |
12 | 3a879a0990 |
13 | 1b81cc5697 |
14 | d88095592 |
15 | 7c89ce730 |
hex | 4ad684b7c |
20089162620 has 96 divisors (see below), whose sum is σ = 62532771840. Its totient is φ = 5354268480.
The previous prime is 20089162609. The next prime is 20089162673. The reversal of 20089162620 is 2626198002.
It is a happy number.
20089162620 is a `hidden beast` number, since 2 + 0 + 0 + 8 + 9 + 1 + 626 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1131129 + ... + 1148751.
It is an arithmetic number, because the mean of its divisors is an integer number (651383040).
Almost surely, 220089162620 is an apocalyptic number.
20089162620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20089162620 is an abundant number, since it is smaller than the sum of its proper divisors (42443609220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20089162620 is a wasteful number, since it uses less digits than its factorization.
20089162620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19752 (or 19744 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The spelling of 20089162620 in words is "twenty billion, eighty-nine million, one hundred sixty-two thousand, six hundred twenty".
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