Base | Representation |
---|---|
bin | 1000001011100100011… |
… | …0011101001111000000 |
3 | 111102202210010211201210 |
4 | 2002321012131033000 |
5 | 4300313333243130 |
6 | 144322030530120 |
7 | 13103551644546 |
oct | 2027106351700 |
9 | 442683124653 |
10 | 140544431040 |
11 | 54671738252 |
12 | 232a4066940 |
13 | 1033a602740 |
14 | 6b33a6bd96 |
15 | 39c89145b0 |
hex | 20b919d3c0 |
140544431040 has 112 divisors (see below), whose sum is σ = 480553885728. Its totient is φ = 34595549184.
The previous prime is 140544431011. The next prime is 140544431047. The reversal of 140544431040 is 40134445041.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 140544430989 and 140544431007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140544431047) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5618307 + ... + 5643266.
It is an arithmetic number, because the mean of its divisors is an integer number (4290659694).
Almost surely, 2140544431040 is an apocalyptic number.
140544431040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
140544431040 is an abundant number, since it is smaller than the sum of its proper divisors (340009454688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140544431040 is a wasteful number, since it uses less digits than its factorization.
140544431040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11261606 (or 11261596 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 30.
Adding to 140544431040 its reverse (40134445041), we get a palindrome (180678876081).
The spelling of 140544431040 in words is "one hundred forty billion, five hundred forty-four million, four hundred thirty-one thousand, forty".
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