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68009083 = 618912527
BaseRepresentation
bin1000000110110…
…11110001111011
311201222012220221
410003123301323
5114402242313
610425400511
71454032132
oct403336173
9151865827
1068009083
113543125a
121a939137
131112257c
149064919
155e85c8d
hex40dbc7b

68009083 has 8 divisors (see below), whose sum is σ = 69906240. Its totient is φ = 66137280.

The previous prime is 68009077. The next prime is 68009099. The reversal of 68009083 is 38090086.

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

It is a cyclic number.

It is not a de Polignac number, because 68009083 - 29 = 68008571 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (68009003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835 + ... + 11692.

It is an arithmetic number, because the mean of its divisors is an integer number (8738280).

Almost surely, 268009083 is an apocalyptic number.

68009083 is a deficient number, since it is larger than the sum of its proper divisors (1897157).

68009083 is a wasteful number, since it uses less digits than its factorization.

68009083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12677.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 68009083 is about 8246.7619706161. The cubic root of 68009083 is about 408.1836827519.

The spelling of 68009083 in words is "sixty-eight million, nine thousand, eighty-three".

Divisors: 1 61 89 5429 12527 764147 1114903 68009083