Base | Representation |
---|---|
bin | 1000001001101001110… |
… | …1100101011000101000 |
3 | 111101102221220100202121 |
4 | 2002122131211120220 |
5 | 4243240240300130 |
6 | 144155025241024 |
7 | 13055040522106 |
oct | 2023235453050 |
9 | 441387810677 |
10 | 140030400040 |
11 | 54428568143 |
12 | 2317ba93174 |
13 | 10287c7709b |
14 | 6ac56a2c76 |
15 | 3998728d7a |
hex | 209a765628 |
140030400040 has 64 divisors (see below), whose sum is σ = 319125562560. Its totient is φ = 55294848000.
The previous prime is 140030400023. The next prime is 140030400061. The reversal of 140030400040 is 40004030041.
It is a junction number, because it is equal to n+sod(n) for n = 140030399987 and 140030400023.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1072807 + ... + 1196233.
It is an arithmetic number, because the mean of its divisors is an integer number (4986336915).
Almost surely, 2140030400040 is an apocalyptic number.
140030400040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
140030400040 is an abundant number, since it is smaller than the sum of its proper divisors (179095162520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140030400040 is a wasteful number, since it uses less digits than its factorization.
140030400040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123802 (or 123798 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 140030400040 its reverse (40004030041), we get a palindrome (180034430081).
The spelling of 140030400040 in words is "one hundred forty billion, thirty million, four hundred thousand, forty".
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