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13381101 = 3223127509
BaseRepresentation
bin110011000010…
…110111101101
3221011211102100
4303002313231
511411143401
61154445313
7221510646
oct63026755
927154370
1013381101
11760a468
124593839
132a06816
141ac46cd
151294b86
hexcc2ded

13381101 has 24 divisors (see below), whose sum is σ = 20367360. Its totient is φ = 8449056.

The previous prime is 13381097. The next prime is 13381103. The reversal of 13381101 is 10118331.

It is a happy number.

It is not a de Polignac number, because 13381101 - 22 = 13381097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13381103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26035 + ... + 26543.

It is an arithmetic number, because the mean of its divisors is an integer number (848640).

Almost surely, 213381101 is an apocalyptic number.

It is an amenable number.

13381101 is a deficient number, since it is larger than the sum of its proper divisors (6986259).

13381101 is a wasteful number, since it uses less digits than its factorization.

13381101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 13381101 is about 3658.0187260319. The cubic root of 13381101 is about 237.4090569628.

Adding to 13381101 its reverse (10118331), we get a palindrome (23499432).

The spelling of 13381101 in words is "thirteen million, three hundred eighty-one thousand, one hundred one".

Divisors: 1 3 9 23 69 127 207 381 509 1143 1527 2921 4581 8763 11707 26289 35121 64643 105363 193929 581787 1486789 4460367 13381101