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40620113142 = 2374344950093
BaseRepresentation
bin100101110101001001…
…011011110011110110
310212211212220112210220
4211311021123303312
51131142222110032
630354405555210
72635414156560
oct456511336366
9125755815726
1040620113142
1116254aa4244
127a57715b06
133aa46a0c0b
141d74aac330
1510cb17912c
hex97525bcf6

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".

Divisors: 1 2 3 6 7 14 21 42 43 86 129 258 301 449 602 898 903 1347 1806 2694 3143 6286 9429 18858 19307 38614 50093 57921 100186 115842 135149 150279 270298 300558 350651 405447 701302 810894 1051953 2103906 2153999 4307998 6461997 12923994 15077993 22491757 30155986 44983514 45233979 67475271 90467958 134950542 157442299 314884598 472326897 944653794 967145551 1934291102 2901436653 5802873306 6770018857 13540037714 20310056571 40620113142