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12633145471 is a prime number
BaseRepresentation
bin10111100001111111…
…01000000001111111
31012121102111021122201
423300333220001333
5201333041123341
65445324052331
7625026651622
oct136077500177
935542437581
1012633145471
1153a30991a1
1225469940a7
13126439700b
1487bb51db9
154de139331
hex2f0fe807f

12633145471 has 2 divisors, whose sum is σ = 12633145472. Its totient is φ = 12633145470.

The previous prime is 12633145379. The next prime is 12633145529. The reversal of 12633145471 is 17454133621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12633145471 - 211 = 12633143423 is a prime.

It is a super-3 number, since 3×126331454713 (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12633145471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12633115471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316572735 + 6316572736.

It is an arithmetic number, because the mean of its divisors is an integer number (6316572736).

Almost surely, 212633145471 is an apocalyptic number.

12633145471 is a deficient number, since it is larger than the sum of its proper divisors (1).

12633145471 is an equidigital number, since it uses as much as digits as its factorization.

12633145471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The spelling of 12633145471 in words is "twelve billion, six hundred thirty-three million, one hundred forty-five thousand, four hundred seventy-one".