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13680101 = 234189163
BaseRepresentation
bin110100001011…
…110111100101
3221202000120102
4310023313211
512000230401
61205113445
7224164451
oct64136745
927660512
1013680101
1177a4076
1246b8885
132aac946
141b61661
15130356b
hexd0bde5

13680101 has 16 divisors (see below), whose sum is σ = 14878080. Its totient is φ = 12545280.

The previous prime is 13680097. The next prime is 13680109. The reversal of 13680101 is 10108631.

It is a cyclic number.

It is not a de Polignac number, because 13680101 - 22 = 13680097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13680109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83846 + ... + 84008.

It is an arithmetic number, because the mean of its divisors is an integer number (929880).

Almost surely, 213680101 is an apocalyptic number.

It is an amenable number.

13680101 is a deficient number, since it is larger than the sum of its proper divisors (1197979).

13680101 is a wasteful number, since it uses less digits than its factorization.

13680101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 13680101 is about 3698.6620553925. The cubic root of 13680101 is about 239.1643448699.

Adding to 13680101 its reverse (10108631), we get a palindrome (23788732).

The spelling of 13680101 in words is "thirteen million, six hundred eighty thousand, one hundred one".

Divisors: 1 23 41 89 163 943 2047 3649 3749 6683 14507 83927 153709 333661 594787 13680101