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10304144143 = 76253135131
BaseRepresentation
bin10011001100010110…
…01100001100001111
3222121010001202110021
421212023030030033
5132100330103033
64422245323011
7513226531366
oct114613141417
928533052407
1010304144143
11440846a007
121bb6a06467
13c82a09617
146da6d47dd
15404939b2d
hex2662cc30f

10304144143 has 4 divisors (see below), whose sum is σ = 10304355528. Its totient is φ = 10303932760.

The previous prime is 10304144099. The next prime is 10304144153. The reversal of 10304144143 is 34144140301.

10304144143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34144140301 = 60756250643.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10304144143 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 (10304144153) 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, 8688 + ... + 143818.

It is an arithmetic number, because the mean of its divisors is an integer number (2576088882).

Almost surely, 210304144143 is an apocalyptic number.

10304144143 is a deficient number, since it is larger than the sum of its proper divisors (211385).

10304144143 is an equidigital number, since it uses as much as digits as its factorization.

10304144143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211384.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 10304144143 its reverse (34144140301), we get a palindrome (44448284444).

The spelling of 10304144143 in words is "ten billion, three hundred four million, one hundred forty-four thousand, one hundred forty-three".

Divisors: 1 76253 135131 10304144143