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801068669 = 1223655003
BaseRepresentation
bin101111101111110…
…101011001111101
32001211100111121222
4233233311121331
53120033144134
6211253403125
725564654112
oct5757653175
92054314558
10801068669
11381200825
121a43394a5
13c9c6843b
1478566909
154a4d8a2e
hex2fbf567d

801068669 has 4 divisors (see below), whose sum is σ = 801724896. Its totient is φ = 800412444.

The previous prime is 801068663. The next prime is 801068687. The reversal of 801068669 is 966860108.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-801068669 is a prime.

It is a super-2 number, since 2×8010686692 = 1283422024906863122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801068663) 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, 326279 + ... + 328724.

It is an arithmetic number, because the mean of its divisors is an integer number (200431224).

Almost surely, 2801068669 is an apocalyptic number.

It is an amenable number.

801068669 is a deficient number, since it is larger than the sum of its proper divisors (656227).

801068669 is a wasteful number, since it uses less digits than its factorization.

801068669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656226.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 801068669 is about 28303.1565200774. The cubic root of 801068669 is about 928.7309429733.

The spelling of 801068669 in words is "eight hundred one million, sixty-eight thousand, six hundred sixty-nine".

Divisors: 1 1223 655003 801068669