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12952553987 is a prime number
BaseRepresentation
bin11000001000000100…
…00100101000000011
31020102200111220202202
430010002010220003
5203011323211422
65541134103415
7635655615032
oct140402045003
936380456682
1012952553987
11554741957a
12261594ab6b
1312b55cbc39
148ac338719
1550c1cdb92
hex304084a03

12952553987 has 2 divisors, whose sum is σ = 12952553988. Its totient is φ = 12952553986.

The previous prime is 12952553969. The next prime is 12952553993. The reversal of 12952553987 is 78935525921.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12952553987 is a prime.

It is a super-2 number, since 2×129525539872 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12952553947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6476276993 + 6476276994.

It is an arithmetic number, because the mean of its divisors is an integer number (6476276994).

Almost surely, 212952553987 is an apocalyptic number.

12952553987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12952553987 is an equidigital number, since it uses as much as digits as its factorization.

12952553987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804000, while the sum is 56.

The spelling of 12952553987 in words is "twelve billion, nine hundred fifty-two million, five hundred fifty-three thousand, nine hundred eighty-seven".