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110620013 = 715802859
BaseRepresentation
bin1101001011111…
…10110101101101
321201011002010112
412211332311231
5211304320023
614550545405
72512153220
oct645766555
9251132115
10110620013
11574954a9
1231068265
1319bc163a
14109975b7
159aa1478
hex697ed6d

110620013 has 4 divisors (see below), whose sum is σ = 126422880. Its totient is φ = 94817148.

The previous prime is 110620001. The next prime is 110620021. The reversal of 110620013 is 310026011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310026011 = 552756093.

It is a cyclic number.

It is not a de Polignac number, because 110620013 - 28 = 110619757 is a prime.

It is a super-2 number, since 2×1106200132 = 24473574552240338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110620013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110620313) 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, 7901423 + ... + 7901436.

It is an arithmetic number, because the mean of its divisors is an integer number (31605720).

Almost surely, 2110620013 is an apocalyptic number.

It is an amenable number.

110620013 is a deficient number, since it is larger than the sum of its proper divisors (15802867).

110620013 is an equidigital number, since it uses as much as digits as its factorization.

110620013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15802866.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 110620013 is about 10517.6049079626. The cubic root of 110620013 is about 480.0405246457.

Adding to 110620013 its reverse (310026011), we get a palindrome (420646024).

The spelling of 110620013 in words is "one hundred ten million, six hundred twenty thousand, thirteen".

Divisors: 1 7 15802859 110620013