Base | Representation |
---|---|
bin | 1001100011010001… |
… | …1101101101101110 |
3 | 20121200102002221000 |
4 | 2120310131231232 |
5 | 20222323440110 |
6 | 1102225021130 |
7 | 120351464022 |
oct | 23064355556 |
9 | 6550362830 |
10 | 2563890030 |
11 | 10a6281589 |
12 | 5b67847a6 |
13 | 31b23bbc0 |
14 | 1a4722382 |
15 | 10014b1c0 |
hex | 98d1db6e |
2563890030 has 128 divisors (see below), whose sum is σ = 7600803840. Its totient is φ = 610727040.
The previous prime is 2563890019. The next prime is 2563890031. The reversal of 2563890030 is 300983652.
2563890030 is a `hidden beast` number, since 2 + 563 + 8 + 90 + 0 + 3 + 0 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2563890031) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97029 + ... + 120591.
It is an arithmetic number, because the mean of its divisors is an integer number (59381280).
Almost surely, 22563890030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2563890030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3800401920).
2563890030 is an abundant number, since it is smaller than the sum of its proper divisors (5036913810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2563890030 is a wasteful number, since it uses less digits than its factorization.
2563890030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23623 (or 23617 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The square root of 2563890030 is about 50634.8697045820. The cubic root of 2563890030 is about 1368.6733085197.
The spelling of 2563890030 in words is "two billion, five hundred sixty-three million, eight hundred ninety thousand, thirty".
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