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404161633254020 = 22520208081662701
BaseRepresentation
bin101101111100101010011011…
…0100101001111101010000100
31222000000110211010102212101112
41123321110312211033222010
5410433241011103112040
63551325142514344152
7151062500016632255
oct13371246645175204
91860013733385345
10404161633254020
11107861a93555334
12393b529528b058
1314469380a8cca5
1471b375536ab2c
1531ad289143365
hex16f953694fa84

404161633254020 has 12 divisors (see below), whose sum is σ = 848739429833484. Its totient is φ = 161664653301600.

The previous prime is 404161633254007. The next prime is 404161633254061. The reversal of 404161633254020 is 20452336161404.

It can be written as a sum of positive squares in 2 ways, for example, as 82350252687616 + 321811380566404 = 9074704^2 + 17939102^2 .

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, 10104040831331 + ... + 10104040831370.

It is an arithmetic number, because the mean of its divisors is an integer number (70728285819457).

Almost surely, 2404161633254020 is an apocalyptic number.

It is an amenable number.

404161633254020 is an abundant number, since it is smaller than the sum of its proper divisors (444577796579464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404161633254020 is a wasteful number, since it uses less digits than its factorization.

404161633254020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20208081662710 (or 20208081662708 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 404161633254020 in words is "four hundred four trillion, one hundred sixty-one billion, six hundred thirty-three million, two hundred fifty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 20208081662701 40416163325402 80832326650804 101040408313505 202080816627010 404161633254020