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131946112146 = 2356938648539
BaseRepresentation
bin111101011100010011…
…0011110010010010010
3110121120112212222121110
41322320212132102102
54130211201042041
6140340515034150
712350514306462
oct1727046362222
9417515788543
10131946112146
1150a5a15aa82
12216a459b956
13c59a131c94
146559b37ba2
153673b2e516
hex1eb899e492

131946112146 has 16 divisors (see below), whose sum is σ = 264356013600. Its totient is φ = 43904739168.

The previous prime is 131946112139. The next prime is 131946112147. The reversal of 131946112146 is 641211649131.

It is a happy number.

131946112146 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131946112147) 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 7 ways as a sum of consecutive naturals, for example, 19320856 + ... + 19327683.

It is an arithmetic number, because the mean of its divisors is an integer number (16522250850).

Almost surely, 2131946112146 is an apocalyptic number.

131946112146 is an abundant number, since it is smaller than the sum of its proper divisors (132409901454).

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

131946112146 is a wasteful number, since it uses less digits than its factorization.

131946112146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38649113.

The product of its digits is 31104, while the sum is 39.

The spelling of 131946112146 in words is "one hundred thirty-one billion, nine hundred forty-six million, one hundred twelve thousand, one hundred forty-six".

Divisors: 1 2 3 6 569 1138 1707 3414 38648539 77297078 115945617 231891234 21991018691 43982037382 65973056073 131946112146