Base | Representation |
---|---|
bin | 111100001111010… |
… | …0111001001001100 |
3 | 12012212102012101210 |
4 | 1320132213021030 |
5 | 13114422244242 |
6 | 532323134420 |
7 | 101042454300 |
oct | 17036471114 |
9 | 5185365353 |
10 | 2021290572 |
11 | 947a69584 |
12 | 484b14410 |
13 | 2629c0032 |
14 | 15263bd00 |
15 | bc6bad9c |
hex | 787a724c |
2021290572 has 72 divisors (see below), whose sum is σ = 5568354624. Its totient is φ = 568880928.
The previous prime is 2021290567. The next prime is 2021290573. The reversal of 2021290572 is 2750921202.
2021290572 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (2021290573) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13743 + ... + 65049.
Almost surely, 22021290572 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 2021290572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2784177312).
2021290572 is an abundant number, since it is smaller than the sum of its proper divisors (3547064052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021290572 is a wasteful number, since it uses less digits than its factorization.
2021290572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51395 (or 51386 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 2021290572 is about 44958.7652410517. The cubic root of 2021290572 is about 1264.3760189246.
The spelling of 2021290572 in words is "two billion, twenty-one million, two hundred ninety thousand, five hundred seventy-two".
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