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810068044 = 22613319951
BaseRepresentation
bin110000010010001…
…010100001001100
32002110021201110011
4300102022201030
53124334134134
6212214323004
726034315262
oct6022124114
92073251404
10810068044
11386298125
121a7359464
13cba99706
147982a432
154b1b5264
hex3048a84c

810068044 has 12 divisors (see below), whose sum is σ = 1440859168. Its totient is φ = 398394000.

The previous prime is 810068029. The next prime is 810068081. The reversal of 810068044 is 440860018.

It is a junction number, because it is equal to n+sod(n) for n = 810067997 and 810068015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659732 + ... + 1660219.

Almost surely, 2810068044 is an apocalyptic number.

It is an amenable number.

810068044 is a deficient number, since it is larger than the sum of its proper divisors (630791124).

810068044 is a wasteful number, since it uses less digits than its factorization.

810068044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320016 (or 3320014 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 810068044 is about 28461.6943276397. The cubic root of 810068044 is about 932.1958533428.

The spelling of 810068044 in words is "eight hundred ten million, sixty-eight thousand, forty-four".

Divisors: 1 2 4 61 122 244 3319951 6639902 13279804 202517011 405034022 810068044