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16910013 = 35636671
BaseRepresentation
bin100000010000…
…0011010111101
31011211010011210
41000200122331
513312110023
61402235033
7263506221
oct100403275
934733153
1016910013
1195aa81a
1257b5a79
133670b33
142362781
151740593
hex10206bd

16910013 has 4 divisors (see below), whose sum is σ = 22546688. Its totient is φ = 11273340.

The previous prime is 16910011. The next prime is 16910027. The reversal of 16910013 is 31001961.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16910013 - 21 = 16910011 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 (16910011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2818333 + ... + 2818338.

It is an arithmetic number, because the mean of its divisors is an integer number (5636672).

Almost surely, 216910013 is an apocalyptic number.

It is an amenable number.

16910013 is a deficient number, since it is larger than the sum of its proper divisors (5636675).

16910013 is an equidigital number, since it uses as much as digits as its factorization.

16910013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636674.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 16910013 is about 4112.1786196614. The cubic root of 16910013 is about 256.6736661572.

Adding to 16910013 its reverse (31001961), we get a palindrome (47911974).

The spelling of 16910013 in words is "sixteen million, nine hundred ten thousand, thirteen".

Divisors: 1 3 5636671 16910013