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16680103 = 1114910177
BaseRepresentation
bin111111101000…
…010010100111
31011101102210121
4333220102213
513232230403
61353302411
7261531016
oct77502247
934342717
1016680103
119463010
125704a07
1335c02ab
142302a7d
1516e73bd
hexfe84a7

16680103 has 8 divisors (see below), whose sum is σ = 18320400. Its totient is φ = 15060480.

The previous prime is 16680091. The next prime is 16680137. The reversal of 16680103 is 30108661.

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 16680103 - 217 = 16549031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16680163) 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, 3450 + ... + 6727.

It is an arithmetic number, because the mean of its divisors is an integer number (2290050).

Almost surely, 216680103 is an apocalyptic number.

16680103 is a deficient number, since it is larger than the sum of its proper divisors (1640297).

16680103 is a wasteful number, since it uses less digits than its factorization.

16680103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10337.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 16680103 is about 4084.1281811422. The cubic root of 16680103 is about 255.5051016198.

Adding to 16680103 its reverse (30108661), we get a palindrome (46788764).

The spelling of 16680103 in words is "sixteen million, six hundred eighty thousand, one hundred three".

Divisors: 1 11 149 1639 10177 111947 1516373 16680103