Base | Representation |
---|---|
bin | 100101110101001001… |
… | …011011110011110110 |
3 | 10212211212220112210220 |
4 | 211311021123303312 |
5 | 1131142222110032 |
6 | 30354405555210 |
7 | 2635414156560 |
oct | 456511336366 |
9 | 125755815726 |
10 | 40620113142 |
11 | 16254aa4244 |
12 | 7a57715b06 |
13 | 3aa46a0c0b |
14 | 1d74aac330 |
15 | 10cb17912c |
hex | 97525bcf6 |
40620113142 has 64 divisors (see below), whose sum is σ = 95218675200. Its totient is φ = 11310372864.
The previous prime is 40620113119. The next prime is 40620113143. The reversal of 40620113142 is 24131102604.
It is a super-2 number, since 2×406201131422 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40620113143) 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, 785848 + ... + 835940.
It is an arithmetic number, because the mean of its divisors is an integer number (1487791800).
Almost surely, 240620113142 is an apocalyptic number.
40620113142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 40620113142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47609337600).
40620113142 is an abundant number, since it is smaller than the sum of its proper divisors (54598562058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40620113142 is a wasteful number, since it uses less digits than its factorization.
40620113142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50597.
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 40620113142 its reverse (24131102604), we get a palindrome (64751215746).
The spelling of 40620113142 in words is "forty billion, six hundred twenty million, one hundred thirteen thousand, one hundred forty-two".
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