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103112987 is a prime number
BaseRepresentation
bin1100010010101…
…10000100011011
321012000200102112
412021112010123
5202344103422
614122022535
72361305645
oct611260433
9235020375
10103112987
115322834a
122a647a4b
1318493703
14d9a1895
1590bbee2
hex625611b

103112987 has 2 divisors, whose sum is σ = 103112988. Its totient is φ = 103112986.

The previous prime is 103112963. The next prime is 103113077. The reversal of 103112987 is 789211301.

It is a weak prime.

It is an emirp because it is prime and its reverse (789211301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103112987 - 26 = 103112923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103112927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51556493 + 51556494.

It is an arithmetic number, because the mean of its divisors is an integer number (51556494).

Almost surely, 2103112987 is an apocalyptic number.

103112987 is a deficient number, since it is larger than the sum of its proper divisors (1).

103112987 is an equidigital number, since it uses as much as digits as its factorization.

103112987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 103112987 is about 10154.4565093362. The cubic root of 103112987 is about 468.9261540723.

The spelling of 103112987 in words is "one hundred three million, one hundred twelve thousand, nine hundred eighty-seven".