Base | Representation |
---|---|
bin | 111111010000101… |
… | …100110100111001 |
3 | 2201222002210020021 |
4 | 333100230310321 |
5 | 4133200430041 |
6 | 253152130441 |
7 | 35205156031 |
oct | 7720546471 |
9 | 2658083207 |
10 | 1061342521 |
11 | 4a5111388 |
12 | 257536a21 |
13 | 13bb67235 |
14 | a0d588c1 |
15 | 6329bcd1 |
hex | 3f42cd39 |
1061342521 has 16 divisors (see below), whose sum is σ = 1204343424. Its totient is φ = 929643264.
The previous prime is 1061342519. The next prime is 1061342539. The reversal of 1061342521 is 1252431601.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1061342521 - 21 = 1061342519 is a prime.
It is a super-2 number, since 2×10613425212 = 2252895893765270882, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1061342021) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 22215 + ... + 51148.
It is an arithmetic number, because the mean of its divisors is an integer number (75271464).
Almost surely, 21061342521 is an apocalyptic number.
It is an amenable number.
1061342521 is a deficient number, since it is larger than the sum of its proper divisors (143000903).
1061342521 is a wasteful number, since it uses less digits than its factorization.
1061342521 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73440.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 1061342521 is about 32578.2522704948. The cubic root of 1061342521 is about 1020.0430973076.
The spelling of 1061342521 in words is "one billion, sixty-one million, three hundred forty-two thousand, five hundred twenty-one".
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