Base | Representation |
---|---|
bin | 111110110001010… |
… | …111010111001111 |
3 | 2201101122110020001 |
4 | 332301113113033 |
5 | 4124100100033 |
6 | 252300105131 |
7 | 35045304304 |
oct | 7661272717 |
9 | 2641573201 |
10 | 1053128143 |
11 | 4a0510841 |
12 | 2548351a7 |
13 | 13a24c362 |
14 | 9dc1b0ab |
15 | 626c7e7d |
hex | 3ec575cf |
1053128143 has 4 divisors (see below), whose sum is σ = 1108555960. Its totient is φ = 997700328.
The previous prime is 1053128123. The next prime is 1053128171. The reversal of 1053128143 is 3418213501.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1053128143 is a prime.
It is a super-2 number, since 2×10531281432 = 2218157771157256898, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1053128113) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27713880 + ... + 27713917.
It is an arithmetic number, because the mean of its divisors is an integer number (277138990).
Almost surely, 21053128143 is an apocalyptic number.
1053128143 is a deficient number, since it is larger than the sum of its proper divisors (55427817).
1053128143 is an equidigital number, since it uses as much as digits as its factorization.
1053128143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55427816.
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 1053128143 is about 32451.9358898664. The cubic root of 1053128143 is about 1017.4046999870.
The spelling of 1053128143 in words is "one billion, fifty-three million, one hundred twenty-eight thousand, one hundred forty-three".
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