Base | Representation |
---|---|
bin | 1000011011001010101… |
… | …0110110110111100111 |
3 | 111211120120211222120012 |
4 | 2012302222312313213 |
5 | 4332402231000012 |
6 | 150253322200435 |
7 | 13312403310653 |
oct | 2066252666747 |
9 | 454516758505 |
10 | 144731500007 |
11 | 56420182126 |
12 | 2407235311b |
13 | 10856c01743 |
14 | 700db99a63 |
15 | 3b712dc622 |
hex | 21b2ab6de7 |
144731500007 has 16 divisors (see below), whose sum is σ = 149345108640. Its totient is φ = 140198947200.
The previous prime is 144731500003. The next prime is 144731500013. The reversal of 144731500007 is 700005137441.
It is a cyclic number.
It is not a de Polignac number, because 144731500007 - 22 = 144731500003 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 (144731500003) 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, 1279157 + ... + 1387697.
It is an arithmetic number, because the mean of its divisors is an integer number (9334069290).
Almost surely, 2144731500007 is an apocalyptic number.
144731500007 is a deficient number, since it is larger than the sum of its proper divisors (4613608633).
144731500007 is a wasteful number, since it uses less digits than its factorization.
144731500007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108914.
The product of its (nonzero) digits is 11760, while the sum is 32.
Adding to 144731500007 its reverse (700005137441), we get a palindrome (844736637448).
The spelling of 144731500007 in words is "one hundred forty-four billion, seven hundred thirty-one million, five hundred thousand, seven".
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