Base | Representation |
---|---|
bin | 111100110101110… |
… | …101000011100110 |
3 | 2122010201011102000 |
4 | 330311311003212 |
5 | 4042302301120 |
6 | 245142030130 |
7 | 34203115524 |
oct | 7465650346 |
9 | 2563634360 |
10 | 1020743910 |
11 | 48420200a |
12 | 245a18346 |
13 | 1336210a4 |
14 | 997cb314 |
15 | 5e92c990 |
hex | 3cd750e6 |
1020743910 has 64 divisors (see below), whose sum is σ = 2840348160. Its totient is φ = 260362080.
The previous prime is 1020743881. The next prime is 1020743951. The reversal of 1020743910 is 193470201.
1020743910 is a `hidden beast` number, since 10 + 207 + 439 + 10 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75976 + ... + 88395.
It is an arithmetic number, because the mean of its divisors is an integer number (44380440).
Almost surely, 21020743910 is an apocalyptic number.
1020743910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1020743910 is an abundant number, since it is smaller than the sum of its proper divisors (1819604250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020743910 is a wasteful number, since it uses less digits than its factorization.
1020743910 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 164410 (or 164404 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 1020743910 is about 31949.0830854345. The cubic root of 1020743910 is about 1006.8673679671.
The spelling of 1020743910 in words is "one billion, twenty million, seven hundred forty-three thousand, nine hundred ten".
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