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13011023 = 531271933
BaseRepresentation
bin110001101000…
…100001001111
3220111000202202
4301220201033
511312323043
61142512115
7215410004
oct61504117
926430682
1013011023
117387413
12443563b
13290723c
141a298ab
1512201b8
hexc6884f

13011023 has 8 divisors (see below), whose sum is σ = 13367808. Its totient is φ = 12658464.

The previous prime is 13011007. The next prime is 13011059. The reversal of 13011023 is 32011031.

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 13011023 - 24 = 13011007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13010995 and 13011013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5765 + ... + 7697.

It is an arithmetic number, because the mean of its divisors is an integer number (1670976).

Almost surely, 213011023 is an apocalyptic number.

13011023 is a deficient number, since it is larger than the sum of its proper divisors (356785).

13011023 is a wasteful number, since it uses less digits than its factorization.

13011023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 13011023 is about 3607.0795666300. The cubic root of 13011023 is about 235.1999083618.

Adding to 13011023 its reverse (32011031), we get a palindrome (45022054).

The spelling of 13011023 in words is "thirteen million, eleven thousand, twenty-three".

Divisors: 1 53 127 1933 6731 102449 245491 13011023