Base | Representation |
---|---|
bin | 111100001110110… |
… | …1000010111010001 |
3 | 12012211221010122211 |
4 | 1320131220113101 |
5 | 13114341032200 |
6 | 532313432121 |
7 | 101040333505 |
oct | 17035502721 |
9 | 5184833584 |
10 | 2021033425 |
11 | 947903364 |
12 | 484a0b641 |
13 | 26292cc88 |
14 | 1525b2305 |
15 | bc669aba |
hex | 787685d1 |
2021033425 has 24 divisors (see below), whose sum is σ = 2582944056. Its totient is φ = 1567549440.
The previous prime is 2021033383. The next prime is 2021033479. The reversal of 2021033425 is 5243301202.
It can be written as a sum of positive squares in 12 ways, for example, as 35796289 + 1985237136 = 5983^2 + 44556^2 .
It is not a de Polignac number, because 2021033425 - 27 = 2021033297 is a prime.
It is a super-2 number, since 2×20210334252 = 8169152209934461250, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2021033396 and 2021033405.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267297 + ... + 274753.
It is an arithmetic number, because the mean of its divisors is an integer number (107622669).
Almost surely, 22021033425 is an apocalyptic number.
2021033425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2021033425 is a deficient number, since it is larger than the sum of its proper divisors (561910631).
2021033425 is a wasteful number, since it uses less digits than its factorization.
2021033425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7797 (or 7792 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 2021033425 is about 44955.9053406780. The cubic root of 2021033425 is about 1264.3223990091.
Adding to 2021033425 its reverse (5243301202), we get a palindrome (7264334627).
It can be divided in two parts, 20210 and 33425, that added together give a palindrome (53635).
The spelling of 2021033425 in words is "two billion, twenty-one million, thirty-three thousand, four hundred twenty-five".
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