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12729300313131 = 33471455567153
BaseRepresentation
bin1011100100111100010101…
…1011000110010000101011
31200001220112211021121222000
42321033011123012100223
53132024101340010011
643023432042502043
72452442633256333
oct271170533062053
950056484247860
1012729300313131
1140685141a1416
121517034b04923
137144a2291bcc
1432015c4360c3
151711b9492356
hexb93c56c642b

12729300313131 has 8 divisors (see below), whose sum is σ = 18858222686160. Its totient is φ = 8486200208736.

The previous prime is 12729300313117. The next prime is 12729300313139. The reversal of 12729300313131 is 13131300392721.

12729300313131 is a `hidden beast` number, since 1 + 2 + 7 + 2 + 9 + 300 + 31 + 313 + 1 = 666.

12729300313131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12729300313131 - 27 = 12729300313003 is a prime.

It is a super-2 number, since 2×127293003131312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12729300313139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235727783550 + ... + 235727783603.

It is an arithmetic number, because the mean of its divisors is an integer number (2357277835770).

Almost surely, 212729300313131 is an apocalyptic number.

12729300313131 is a deficient number, since it is larger than the sum of its proper divisors (6128922373029).

12729300313131 is an equidigital number, since it uses as much as digits as its factorization.

12729300313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471455567162 (or 471455567156 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The spelling of 12729300313131 in words is "twelve trillion, seven hundred twenty-nine billion, three hundred million, three hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 3 9 27 471455567153 1414366701459 4243100104377 12729300313131