Base | Representation |
---|---|
bin | 1000001010011100100… |
… | …1000101100000111110 |
3 | 111101222210012011222221 |
4 | 2002213021011200332 |
5 | 4244204220133210 |
6 | 144232104555554 |
7 | 13063232640244 |
oct | 2024711054076 |
9 | 441883164887 |
10 | 140243130430 |
11 | 54527655687 |
12 | 2321b182bba |
13 | 102c006a960 |
14 | 6b05a3a794 |
15 | 39ac24a1da |
hex | 20a724583e |
140243130430 has 64 divisors (see below), whose sum is σ = 283782538368. Its totient is φ = 49512038400.
The previous prime is 140243130413. The next prime is 140243130431. The reversal of 140243130430 is 34031342041.
It is a junction number, because it is equal to n+sod(n) for n = 140243130395 and 140243130404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140243130431) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9731230 + ... + 9745630.
It is an arithmetic number, because the mean of its divisors is an integer number (4434102162).
Almost surely, 2140243130430 is an apocalyptic number.
140243130430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
140243130430 is an abundant number, since it is smaller than the sum of its proper divisors (143539407938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140243130430 is a wasteful number, since it uses less digits than its factorization.
140243130430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17701.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 140243130430 its reverse (34031342041), we get a palindrome (174274472471).
The spelling of 140243130430 in words is "one hundred forty billion, two hundred forty-three million, one hundred thirty thousand, four hundred thirty".
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