Base | Representation |
---|---|
bin | 100101110100010000… |
… | …010001110110001101 |
3 | 10212210211201022222100 |
4 | 211310100101312031 |
5 | 1131124403131000 |
6 | 30353112505313 |
7 | 2635142624400 |
oct | 456420216615 |
9 | 125724638870 |
10 | 40605130125 |
11 | 162475a028a |
12 | 7a526ab239 |
13 | 3aa1556221 |
14 | 1d72acbd37 |
15 | 10c9bb9a00 |
hex | 974411d8d |
40605130125 has 144 divisors (see below), whose sum is σ = 85576181184. Its totient is φ = 18469080000.
The previous prime is 40605130123. The next prime is 40605130169. The reversal of 40605130125 is 52103150604.
40605130125 is a `hidden beast` number, since 4 + 0 + 605 + 1 + 30 + 1 + 25 = 666.
It is not a de Polignac number, because 40605130125 - 21 = 40605130123 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40605130123) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11629630 + ... + 11633120.
It is an arithmetic number, because the mean of its divisors is an integer number (594279036).
Almost surely, 240605130125 is an apocalyptic number.
40605130125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
40605130125 is an abundant number, since it is smaller than the sum of its proper divisors (44971051059).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40605130125 is a wasteful number, since it uses less digits than its factorization.
40605130125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3737 (or 3717 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
Adding to 40605130125 its reverse (52103150604), we get a palindrome (92708280729).
The spelling of 40605130125 in words is "forty billion, six hundred five million, one hundred thirty thousand, one hundred twenty-five".
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