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13102055 = 52990359
BaseRepresentation
bin110001111110…
…101111100111
3220122122122022
4301332233213
511323231210
61144453355
7216236261
oct61765747
926578568
1013102055
11743984a
12447a25b
1329397c5
141a50b31
15123c155
hexc7ebe7

13102055 has 8 divisors (see below), whose sum is σ = 16264800. Its totient is φ = 10120096.

The previous prime is 13102031. The next prime is 13102069. The reversal of 13102055 is 55020131.

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 13102055 - 214 = 13085671 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45035 + ... + 45324.

It is an arithmetic number, because the mean of its divisors is an integer number (2033100).

Almost surely, 213102055 is an apocalyptic number.

13102055 is a deficient number, since it is larger than the sum of its proper divisors (3162745).

13102055 is an equidigital number, since it uses as much as digits as its factorization.

13102055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90393.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 13102055 is about 3619.6760904810. The cubic root of 13102055 is about 235.7471617094.

Adding to 13102055 its reverse (55020131), we get a palindrome (68122186).

The spelling of 13102055 in words is "thirteen million, one hundred two thousand, fifty-five".

Divisors: 1 5 29 145 90359 451795 2620411 13102055