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1217004413 is a prime number
BaseRepresentation
bin100100010001010…
…0000001101111101
310010211000020012112
41020202200031331
54443023120123
6320432343405
742105236552
oct11042401575
93124006175
101217004413
11574a70479
1229b6a4b65
13165199271
14b78b8a29
1571c98d78
hex488a037d

1217004413 has 2 divisors, whose sum is σ = 1217004414. Its totient is φ = 1217004412.

The previous prime is 1217004403. The next prime is 1217004419. The reversal of 1217004413 is 3144007121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1000267129 + 216737284 = 31627^2 + 14722^2 .

It is a cyclic number.

It is not a de Polignac number, because 1217004413 - 220 = 1215955837 is a prime.

It is a super-2 number, since 2×12170044132 = 2962199482522949138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1217004419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 608502206 + 608502207.

It is an arithmetic number, because the mean of its divisors is an integer number (608502207).

Almost surely, 21217004413 is an apocalyptic number.

It is an amenable number.

1217004413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1217004413 is an equidigital number, since it uses as much as digits as its factorization.

1217004413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1217004413 is about 34885.5903346926. The cubic root of 1217004413 is about 1067.6544577019.

The spelling of 1217004413 in words is "one billion, two hundred seventeen million, four thousand, four hundred thirteen".