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2144350431301 = 13164950033177
BaseRepresentation
bin11111001101000101001…
…111101110100001000101
321120222221110122112112111
4133031011033232201011
5240113112202300201
64321033451421021
7310632000632401
oct37150517564105
97528843575474
102144350431301
11757460a083a1
122a770a754771
13127299522370
1475b03bb2101
153aba5ae5b51
hex1f3453ee845

2144350431301 has 4 divisors (see below), whose sum is σ = 2309300464492. Its totient is φ = 1979400398112.

The previous prime is 2144350431241. The next prime is 2144350431313. The reversal of 2144350431301 is 1031340534412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1466690544900 + 677659886401 = 1211070^2 + 823201^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144350431301 - 211 = 2144350429253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144350431371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82475016576 + ... + 82475016601.

It is an arithmetic number, because the mean of its divisors is an integer number (577325116123).

Almost surely, 22144350431301 is an apocalyptic number.

It is an amenable number.

2144350431301 is a deficient number, since it is larger than the sum of its proper divisors (164950033191).

2144350431301 is a wasteful number, since it uses less digits than its factorization.

2144350431301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164950033190.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 2144350431301 its reverse (1031340534412), we get a palindrome (3175690965713).

The spelling of 2144350431301 in words is "two trillion, one hundred forty-four billion, three hundred fifty million, four hundred thirty-one thousand, three hundred one".

Divisors: 1 13 164950033177 2144350431301