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131130233144 = 2360127273343
BaseRepresentation
bin111101000011111111…
…0001001000100111000
3110112110200200001000122
41322013332021010320
54122023314430034
6140123531552412
712321346406501
oct1720776110470
9415420601018
10131130233144
1150680664009
12214b72bb708
13c49a0ac641
1464bd637ba8
1536271bc62e
hex1e87f89138

131130233144 has 16 divisors (see below), whose sum is σ = 246278296320. Its totient is φ = 65456020800.

The previous prime is 131130233033. The next prime is 131130233149. The reversal of 131130233144 is 441332031131.

It is a super-2 number, since 2×1311302331442 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131130233149) 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, 13631864 + ... + 13641479.

It is an arithmetic number, because the mean of its divisors is an integer number (15392393520).

Almost surely, 2131130233144 is an apocalyptic number.

It is an amenable number.

131130233144 is a deficient number, since it is larger than the sum of its proper divisors (115148063176).

131130233144 is a wasteful number, since it uses less digits than its factorization.

131130233144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27273950 (or 27273946 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 131130233144 its reverse (441332031131), we get a palindrome (572462264275).

The spelling of 131130233144 in words is "one hundred thirty-one billion, one hundred thirty million, two hundred thirty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 601 1202 2404 4808 27273343 54546686 109093372 218186744 16391279143 32782558286 65565116572 131130233144