Base | Representation |
---|---|
bin | 11111111011011100000100… |
… | …100001001010011110001111 |
3 | 200102012101222012101220012210 |
4 | 133323130010201022132033 |
5 | 121401201404033421411 |
6 | 1214353524242401503 |
7 | 41402205256663140 |
oct | 3773340441123617 |
9 | 612171865356183 |
10 | 140424031545231 |
11 | 4081a551a62225 |
12 | 138bb150060293 |
13 | 6047c10a41495 |
14 | 26967b8d7bac7 |
15 | 1137b40a57ca6 |
hex | 7fb70484a78f |
140424031545231 has 64 divisors (see below), whose sum is σ = 222631496220672. Its totient is φ = 77039136720000.
The previous prime is 140424031545199. The next prime is 140424031545233. The reversal of 140424031545231 is 132545130424041.
It is not a de Polignac number, because 140424031545231 - 25 = 140424031545199 is a prime.
It is a super-3 number, since 3×1404240315452313 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 140424031545231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140424031545233) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 301747516 + ... + 302212526.
It is an arithmetic number, because the mean of its divisors is an integer number (3478617128448).
Almost surely, 2140424031545231 is an apocalyptic number.
140424031545231 is a deficient number, since it is larger than the sum of its proper divisors (82207464675441).
140424031545231 is a wasteful number, since it uses less digits than its factorization.
140424031545231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 468724.
The product of its (nonzero) digits is 230400, while the sum is 39.
Adding to 140424031545231 its reverse (132545130424041), we get a palindrome (272969161969272).
The spelling of 140424031545231 in words is "one hundred forty trillion, four hundred twenty-four billion, thirty-one million, five hundred forty-five thousand, two hundred thirty-one".
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