Search a number
-
+
13101101 = 131759281
BaseRepresentation
bin110001111110…
…100000101101
3220122121022222
4301332200231
511323213401
61144445125
7216233426
oct61764055
926577288
1013101101
117439062
1244797a5
132939240
141a5064d
15123bc1b
hexc7e82d

13101101 has 8 divisors (see below), whose sum is σ = 14939064. Its totient is φ = 11381760.

The previous prime is 13101097. The next prime is 13101119. The reversal of 13101101 is 10110131.

It can be written as a sum of positive squares in 4 ways, for example, as 3798601 + 9302500 = 1949^2 + 3050^2 .

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

It is not a de Polignac number, because 13101101 - 22 = 13101097 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 (13109101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29420 + ... + 29861.

It is an arithmetic number, because the mean of its divisors is an integer number (1867383).

Almost surely, 213101101 is an apocalyptic number.

It is an amenable number.

13101101 is a deficient number, since it is larger than the sum of its proper divisors (1837963).

13101101 is a wasteful number, since it uses less digits than its factorization.

13101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59311.

The product of its (nonzero) digits is 3, while the sum is 8.

The square root of 13101101 is about 3619.5443083350. The cubic root of 13101101 is about 235.7414397508.

Adding to 13101101 its reverse (10110131), we get a palindrome (23211232).

The spelling of 13101101 in words is "thirteen million, one hundred one thousand, one hundred one".

Divisors: 1 13 17 221 59281 770653 1007777 13101101