Base | Representation |
---|---|
bin | 111110001100101… |
… | …101110111111100 |
3 | 2200201120100201200 |
4 | 332030231313330 |
5 | 4114120133040 |
6 | 251314135500 |
7 | 34600532223 |
oct | 7614556774 |
9 | 2621510650 |
10 | 1043521020 |
11 | 496049873 |
12 | 251581590 |
13 | 138267579 |
14 | 9c839cba |
15 | 6192b630 |
hex | 3e32ddfc |
1043521020 has 36 divisors (see below), whose sum is σ = 3165347640. Its totient is φ = 278272224.
The previous prime is 1043521019. The next prime is 1043521049. The reversal of 1043521020 is 201253401.
1043521020 is a `hidden beast` number, since 1 + 0 + 435 + 210 + 20 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×10435210202 = 2177872238363680800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1043520984 and 1043521002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2898490 + ... + 2898849.
Almost surely, 21043521020 is an apocalyptic number.
1043521020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1043521020 is an abundant number, since it is smaller than the sum of its proper divisors (2121826620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1043521020 is a wasteful number, since it uses less digits than its factorization.
1043521020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5797354 (or 5797349 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 1043521020 is about 32303.5759630416. The cubic root of 1043521020 is about 1014.3014987578.
Adding to 1043521020 its reverse (201253401), we get a palindrome (1244774421).
The spelling of 1043521020 in words is "one billion, forty-three million, five hundred twenty-one thousand, twenty".
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