Base | Representation |
---|---|
bin | 1000001001100101011… |
… | …1100000100111011111 |
3 | 111101101200100002101201 |
4 | 2002121113200213133 |
5 | 4243221034433211 |
6 | 144153131420331 |
7 | 13054425423310 |
oct | 2023127404737 |
9 | 441350302351 |
10 | 140012030431 |
11 | 54419160849 |
12 | 231758b46a7 |
13 | 10284214ab0 |
14 | 6ac3080607 |
15 | 3996ceb0c1 |
hex | 20995e09df |
140012030431 has 32 divisors (see below), whose sum is σ = 173144176128. Its totient is φ = 110251532160.
The previous prime is 140012030429. The next prime is 140012030467. The reversal of 140012030431 is 134030210041.
140012030431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 140012030431 - 21 = 140012030429 is a prime.
It is a super-2 number, since 2×1400120304312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 140012030399 and 140012030408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140012031431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24385221 + ... + 24390961.
It is an arithmetic number, because the mean of its divisors is an integer number (5410755504).
Almost surely, 2140012030431 is an apocalyptic number.
140012030431 is a deficient number, since it is larger than the sum of its proper divisors (33132145697).
140012030431 is a wasteful number, since it uses less digits than its factorization.
140012030431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6991.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 140012030431 its reverse (134030210041), we get a palindrome (274042240472).
The spelling of 140012030431 in words is "one hundred forty billion, twelve million, thirty thousand, four hundred thirty-one".
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