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10801613 = 17635389
BaseRepresentation
bin101001001101…
…000111001101
3202022210000202
4221031013031
510231122423
61023303245
7160545404
oct51150715
922283022
1010801613
116108459
12374ab25
1323126b4
14161263b
15e35728
hexa4d1cd

10801613 has 4 divisors (see below), whose sum is σ = 11437020. Its totient is φ = 10166208.

The previous prime is 10801603. The next prime is 10801621. The reversal of 10801613 is 31610801.

10801613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31610801 = 67471803.

It can be written as a sum of positive squares in 2 ways, for example, as 9746884 + 1054729 = 3122^2 + 1027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10801613 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 (10801603) 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, 317678 + ... + 317711.

It is an arithmetic number, because the mean of its divisors is an integer number (2859255).

Almost surely, 210801613 is an apocalyptic number.

It is an amenable number.

10801613 is a deficient number, since it is larger than the sum of its proper divisors (635407).

10801613 is an equidigital number, since it uses as much as digits as its factorization.

10801613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635406.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 10801613 is about 3286.5807460034. The cubic root of 10801613 is about 221.0528937092.

The spelling of 10801613 in words is "ten million, eight hundred one thousand, six hundred thirteen".

Divisors: 1 17 635389 10801613