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1215208483 is a prime number
BaseRepresentation
bin100100001101110…
…1001110000100011
310010200121222122121
41020123221300203
54442043132413
6320330045111
742054046606
oct11033516043
93120558577
101215208483
11573a54135
1229ab79797
131649ba998
14b756c33d
1571a41b8d
hex486e9c23

1215208483 has 2 divisors, whose sum is σ = 1215208484. Its totient is φ = 1215208482.

The previous prime is 1215208469. The next prime is 1215208499. The reversal of 1215208483 is 3848025121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1215208483 - 213 = 1215200291 is a prime.

It is a super-2 number, since 2×12152084832 = 2953463314310322578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1215208283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607604241 + 607604242.

It is an arithmetic number, because the mean of its divisors is an integer number (607604242).

Almost surely, 21215208483 is an apocalyptic number.

1215208483 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215208483 is an equidigital number, since it uses as much as digits as its factorization.

1215208483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 1215208483 is about 34859.8405475412. The cubic root of 1215208483 is about 1067.1290209253.

The spelling of 1215208483 in words is "one billion, two hundred fifteen million, two hundred eight thousand, four hundred eighty-three".