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16126664020 = 225806333201
BaseRepresentation
bin11110000010011100…
…10101110101010100
31112121220011102011121
433001032111311110
5231011411222040
611224122213324
71110430245115
oct170116256524
945556142147
1016126664020
116926099405
123160954244
1316a00a445c
14acdb0420c
15645bb5c4a
hex3c1395d54

16126664020 has 12 divisors (see below), whose sum is σ = 33865994484. Its totient is φ = 6450665600.

The previous prime is 16126663997. The next prime is 16126664063. The reversal of 16126664020 is 2046662161.

16126664020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1823460804 + 14303203216 = 42702^2 + 119596^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403166581 + ... + 403166620.

It is an arithmetic number, because the mean of its divisors is an integer number (2822166207).

Almost surely, 216126664020 is an apocalyptic number.

16126664020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16126664020 is an abundant number, since it is smaller than the sum of its proper divisors (17739330464).

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

16126664020 is a wasteful number, since it uses less digits than its factorization.

16126664020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806333210 (or 806333208 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 16126664020 in words is "sixteen billion, one hundred twenty-six million, six hundred sixty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 806333201 1612666402 3225332804 4031666005 8063332010 16126664020