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131444050004 = 2237888135473
BaseRepresentation
bin111101001101010101…
…1010000100001010100
3110120021120011120211022
41322122223100201110
54123144134100004
6140215022100312
712332206663451
oct1723253204124
9416246146738
10131444050004
1150821815293
122158441a698
13c51a1073a7
14650d1a6828
153644a0a2be
hex1e9aad0854

131444050004 has 12 divisors (see below), whose sum is σ = 236244036084. Its totient is φ = 63945753984.

The previous prime is 131444049983. The next prime is 131444050007. The reversal of 131444050004 is 400050444131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 124736112400 + 6707937604 = 353180^2 + 81902^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131444050007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444067589 + ... + 444067884.

It is an arithmetic number, because the mean of its divisors is an integer number (19687003007).

Almost surely, 2131444050004 is an apocalyptic number.

It is an amenable number.

131444050004 is a deficient number, since it is larger than the sum of its proper divisors (104799986080).

131444050004 is a wasteful number, since it uses less digits than its factorization.

131444050004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888135514 (or 888135512 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 131444050004 its reverse (400050444131), we get a palindrome (531494494135).

The spelling of 131444050004 in words is "one hundred thirty-one billion, four hundred forty-four million, fifty thousand, four".

Divisors: 1 2 4 37 74 148 888135473 1776270946 3552541892 32861012501 65722025002 131444050004