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103113987 = 357016029
BaseRepresentation
bin1100010010101…
…10010100000011
321012000201210120
412021112110003
5202344121422
614122031323
72361311604
oct611262403
9235021716
10103113987
1153229079
122a648543
1318493cc2
14d9a1dab
1590bc45c
hex6256503

103113987 has 8 divisors (see below), whose sum is σ = 137532240. Its totient is φ = 68719200.

The previous prime is 103113949. The next prime is 103114003. The reversal of 103113987 is 789311301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103113987 - 210 = 103112963 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (103113287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14089 + ... + 20117.

It is an arithmetic number, because the mean of its divisors is an integer number (17191530).

Almost surely, 2103113987 is an apocalyptic number.

103113987 is a deficient number, since it is larger than the sum of its proper divisors (34418253).

103113987 is an equidigital number, since it uses as much as digits as its factorization.

103113987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11733.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 103113987 is about 10154.5057486812. The cubic root of 103113987 is about 468.9276699649.

The spelling of 103113987 in words is "one hundred three million, one hundred thirteen thousand, nine hundred eighty-seven".

Divisors: 1 3 5701 6029 17103 18087 34371329 103113987