Search a number
-
+
13010555 = 52602111
BaseRepresentation
bin110001101000…
…011001111011
3220111000010102
4301220121323
511312314210
61142510015
7215405435
oct61503173
926430112
1013010555
117387028
12443530b
132906c6c
141a29655
15121eea5
hexc6867b

13010555 has 4 divisors (see below), whose sum is σ = 15612672. Its totient is φ = 10408440.

The previous prime is 13010477. The next prime is 13010561. The reversal of 13010555 is 55501031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55501031 = 471180873.

It is not a de Polignac number, because 13010555 - 212 = 13006459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1301051 + ... + 1301060.

It is an arithmetic number, because the mean of its divisors is an integer number (3903168).

Almost surely, 213010555 is an apocalyptic number.

13010555 is a deficient number, since it is larger than the sum of its proper divisors (2602117).

13010555 is an equidigital number, since it uses as much as digits as its factorization.

13010555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602116.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 13010555 is about 3607.0146936213. The cubic root of 13010555 is about 235.1970883203.

Adding to 13010555 its reverse (55501031), we get a palindrome (68511586).

The spelling of 13010555 in words is "thirteen million, ten thousand, five hundred fifty-five".

Divisors: 1 5 2602111 13010555