Base | Representation |
---|---|
bin | 110101101011010… |
… | …1100110100001001 |
3 | 11122112010000100000 |
4 | 1223112230310021 |
5 | 12142041102331 |
6 | 454420033213 |
7 | 62430130563 |
oct | 15326546411 |
9 | 4575100300 |
10 | 1801112841 |
11 | 844754810 |
12 | 423232809 |
13 | 2291bc758 |
14 | 1312c6333 |
15 | a81c80e6 |
hex | 6b5acd09 |
1801112841 has 24 divisors (see below), whose sum is σ = 2943237024. Its totient is φ = 1091581920.
The previous prime is 1801112813. The next prime is 1801112879. The reversal of 1801112841 is 1482111081.
It is not a de Polignac number, because 1801112841 - 27 = 1801112713 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (1801112881) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334236 + ... + 339581.
It is an arithmetic number, because the mean of its divisors is an integer number (122634876).
Almost surely, 21801112841 is an apocalyptic number.
1801112841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1801112841 is a deficient number, since it is larger than the sum of its proper divisors (1142124183).
1801112841 is an equidigital number, since it uses as much as digits as its factorization.
1801112841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 673843 (or 673831 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 27.
The square root of 1801112841 is about 42439.5198017131. The cubic root of 1801112841 is about 1216.6910335355.
The spelling of 1801112841 in words is "one billion, eight hundred one million, one hundred twelve thousand, eight hundred forty-one".
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