Base | Representation |
---|---|
bin | 111110110100110… |
… | …001001110100001 |
3 | 2201110022210022210 |
4 | 332310301032201 |
5 | 4124312124023 |
6 | 252331152333 |
7 | 35056012050 |
oct | 7664611641 |
9 | 2643283283 |
10 | 1054020513 |
11 | 4a0a70237 |
12 | 254ba56a9 |
13 | 13a4a25a0 |
14 | 9ddb0397 |
15 | 62802593 |
hex | 3ed313a1 |
1054020513 has 32 divisors (see below), whose sum is σ = 1745888256. Its totient is φ = 550755648.
The previous prime is 1054020511. The next prime is 1054020529. The reversal of 1054020513 is 3150204501.
It is not a de Polignac number, because 1054020513 - 21 = 1054020511 is a prime.
It is a super-2 number, since 2×10540205132 = 2221918483649566338, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 1054020513.
It is not an unprimeable number, because it can be changed into a prime (1054020511) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11170 + ... + 47252.
It is an arithmetic number, because the mean of its divisors is an integer number (54559008).
Almost surely, 21054020513 is an apocalyptic number.
1054020513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1054020513 is a deficient number, since it is larger than the sum of its proper divisors (691867743).
1054020513 is a wasteful number, since it uses less digits than its factorization.
1054020513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36213.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 1054020513 is about 32465.6820812377. The cubic root of 1054020513 is about 1017.6919854174.
The spelling of 1054020513 in words is "one billion, fifty-four million, twenty thousand, five hundred thirteen".
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