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131240644152 = 2335468360173
BaseRepresentation
bin111101000111010001…
…1010100111000111000
3110112202101102111110020
41322032203110320320
54122240101103102
6140142514250440
712324160032462
oct1721643247070
9415671374406
10131240644152
1150727a16482
1221528286a20
13c4b6c29ab7
1464d0179132
153631c2bbbc
hex1e8e8d4e38

131240644152 has 16 divisors (see below), whose sum is σ = 328101610440. Its totient is φ = 43746881376.

The previous prime is 131240644151. The next prime is 131240644153. The reversal of 131240644152 is 251446042131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131240644151) and next prime (131240644153).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131240644151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2734180063 + ... + 2734180110.

Almost surely, 2131240644152 is an apocalyptic number.

131240644152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131240644152 is an abundant number, since it is smaller than the sum of its proper divisors (196860966288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131240644152 is a wasteful number, since it uses less digits than its factorization.

131240644152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468360182 (or 5468360178 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 131240644152 its reverse (251446042131), we get a palindrome (382686686283).

The spelling of 131240644152 in words is "one hundred thirty-one billion, two hundred forty million, six hundred forty-four thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 5468360173 10936720346 16405080519 21873440692 32810161038 43746881384 65620322076 131240644152