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13142230143 = 37718814373
BaseRepresentation
bin11000011110101011…
…01000010001111111
31020220220102110112120
430033111220101333
5203403402331033
610012031334023
7643451053530
oct141725502177
936826373476
1013142230143
1156344a0029
122669381313
1313159b0153
148c95d0687
1551db991b3
hex30f56847f

13142230143 has 16 divisors (see below), whose sum is σ = 20308317696. Its totient is φ = 7404072480.

The previous prime is 13142230141. The next prime is 13142230147. The reversal of 13142230143 is 34103224131.

It is a happy number.

It is not a de Polignac number, because 13142230143 - 21 = 13142230141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142230141) 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 15 ways as a sum of consecutive naturals, for example, 4405696 + ... + 4408677.

It is an arithmetic number, because the mean of its divisors is an integer number (1269269856).

Almost surely, 213142230143 is an apocalyptic number.

13142230143 is a deficient number, since it is larger than the sum of its proper divisors (7166087553).

13142230143 is an equidigital number, since it uses as much as digits as its factorization.

13142230143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814454.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13142230143 its reverse (34103224131), we get a palindrome (47245454274).

The spelling of 13142230143 in words is "thirteen billion, one hundred forty-two million, two hundred thirty thousand, one hundred forty-three".

Divisors: 1 3 7 21 71 213 497 1491 8814373 26443119 61700611 185101833 625820483 1877461449 4380743381 13142230143