Base | Representation |
---|---|
bin | 111100001111111… |
… | …0101111110110100 |
3 | 12012220000121100210 |
4 | 1320133311332310 |
5 | 13120013112432 |
6 | 532334105420 |
7 | 101045300613 |
oct | 17037657664 |
9 | 5186017323 |
10 | 2021613492 |
11 | 94816a158 |
12 | 48504b270 |
13 | 262aa4002 |
14 | 1526c387a |
15 | bc7318cc |
hex | 787f5fb4 |
2021613492 has 24 divisors (see below), whose sum is σ = 4720760352. Its totient is φ = 673348000.
The previous prime is 2021613469. The next prime is 2021613521. The reversal of 2021613492 is 2943161202.
It is a super-2 number, since 2×20216134922 = 8173842222072868128, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49134 + ... + 80357.
It is an arithmetic number, because the mean of its divisors is an integer number (196698348).
Almost surely, 22021613492 is an apocalyptic number.
It is an amenable number.
2021613492 is an abundant number, since it is smaller than the sum of its proper divisors (2699146860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021613492 is a wasteful number, since it uses less digits than its factorization.
2021613492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130799 (or 130797 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 2021613492 is about 44962.3563884279. The cubic root of 2021613492 is about 1264.4433472887.
Adding to 2021613492 its reverse (2943161202), we get a palindrome (4964774694).
The spelling of 2021613492 in words is "two billion, twenty-one million, six hundred thirteen thousand, four hundred ninety-two".
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