Base | Representation |
---|---|
bin | 1000011000100011110… |
… | …0001101011011101111 |
3 | 111202202210111111212101 |
4 | 2012020330031123233 |
5 | 4324434014441212 |
6 | 150100032515531 |
7 | 13256142515002 |
oct | 2061074153357 |
9 | 452683444771 |
10 | 144031405807 |
11 | 560a0a78a83 |
12 | 23ab79abba7 |
13 | 10774b5b513 |
14 | 6d84bd9539 |
15 | 3b2eaec157 |
hex | 2188f0d6ef |
144031405807 has 4 divisors (see below), whose sum is σ = 146392576456. Its totient is φ = 141670235160.
The previous prime is 144031405783. The next prime is 144031405841. The reversal of 144031405807 is 708504130441.
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-144031405807 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144031405877) 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, 1180585233 + ... + 1180585354.
It is an arithmetic number, because the mean of its divisors is an integer number (36598144114).
Almost surely, 2144031405807 is an apocalyptic number.
144031405807 is a deficient number, since it is larger than the sum of its proper divisors (2361170649).
144031405807 is an equidigital number, since it uses as much as digits as its factorization.
144031405807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2361170648.
The product of its (nonzero) digits is 53760, while the sum is 37.
The spelling of 144031405807 in words is "one hundred forty-four billion, thirty-one million, four hundred five thousand, eight hundred seven".
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