Base | Representation |
---|---|
bin | 11101100010101010110… |
… | …100001110100011101110 |
3 | 21012002000111012121112000 |
4 | 131202222310032203232 |
5 | 231230111114202200 |
6 | 4152335522153130 |
7 | 266445350346000 |
oct | 35425264164356 |
9 | 7162014177460 |
10 | 2030090381550 |
11 | 712a58106910 |
12 | 2895411b27a6 |
13 | 11958a582c7a |
14 | 70384d04370 |
15 | 37c19a0b300 |
hex | 1d8aad0e8ee |
2030090381550 has 768 divisors, whose sum is σ = 7291033344000. Its totient is φ = 411505920000.
The previous prime is 2030090381537. The next prime is 2030090381567. The reversal of 2030090381550 is 551830900302.
2030090381550 is a `hidden beast` number, since 20 + 3 + 0 + 0 + 9 + 0 + 3 + 81 + 550 = 666.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 208830690 + ... + 208840410.
It is an arithmetic number, because the mean of its divisors is an integer number (9493533000).
Almost surely, 22030090381550 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2030090381550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3645516672000).
2030090381550 is an abundant number, since it is smaller than the sum of its proper divisors (5260942962450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2030090381550 is a wasteful number, since it uses less digits than its factorization.
2030090381550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9815 (or 9790 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 36.
The spelling of 2030090381550 in words is "two trillion, thirty billion, ninety million, three hundred eighty-one thousand, five hundred fifty".
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