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13130144120421 = 3243153122160693
BaseRepresentation
bin1011111100010001100110…
…0100110111111001100101
31201111020012022121211221200
42333010121210313321211
53210111013343323141
643531523244433113
72523423132360036
oct277043144677145
951436168554850
1013130144120421
114202510065709
121580862848799
137432236808b3
143357066c8a8d
1517b829eb7ab6
hexbf119937e65

13130144120421 has 24 divisors (see below), whose sum is σ = 19419504794976. Its totient is φ = 8544276407520.

The previous prime is 13130144120419. The next prime is 13130144120447. The reversal of 13130144120421 is 12402144103131.

It is a happy number.

13130144120421 is a `hidden beast` number, since 1 + 3 + 13 + 0 + 1 + 441 + 204 + 2 + 1 = 666.

It is not a de Polignac number, because 13130144120421 - 21 = 13130144120419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130144120461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10487850 + ... + 11672843.

It is an arithmetic number, because the mean of its divisors is an integer number (809146033124).

Almost surely, 213130144120421 is an apocalyptic number.

It is an amenable number.

13130144120421 is a deficient number, since it is larger than the sum of its proper divisors (6289360674555).

13130144120421 is a wasteful number, since it uses less digits than its factorization.

13130144120421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22162273 (or 22162270 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 13130144120421 its reverse (12402144103131), we get a palindrome (25532288223552).

The spelling of 13130144120421 in words is "thirteen trillion, one hundred thirty billion, one hundred forty-four million, one hundred twenty thousand, four hundred twenty-one".

Divisors: 1 3 9 43 129 387 1531 4593 13779 65833 197499 592497 22160693 66482079 199446237 952909799 2858729397 8576188191 33928020983 101784062949 305352188847 1458904902269 4376714706807 13130144120421