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20067307439444 = 2215916931518869
BaseRepresentation
bin1001001000000010010001…
…01110110100010101010100
32122001102020011021200211022
410210001020232310111110
510112240321201030234
6110402443242100312
74140546404561516
oct444011056642524
978042204250738
1020067307439444
116437551994551
1223012187aa698
13b2745394ab95
144d5397419bb6
1524bee3dd0e2e
hex124048bb4554

20067307439444 has 12 divisors (see below), whose sum is σ = 35118009765300. Its totient is φ = 10033590363648.

The previous prime is 20067307439407. The next prime is 20067307439453. The reversal of 20067307439444 is 44493470376002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8980738316944 + 11086569122500 = 2996788^2 + 3329650^2 .

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, 15122759 + ... + 16396110.

It is an arithmetic number, because the mean of its divisors is an integer number (2926500813775).

Almost surely, 220067307439444 is an apocalyptic number.

It is an amenable number.

20067307439444 is a deficient number, since it is larger than the sum of its proper divisors (15050702325856).

20067307439444 is a wasteful number, since it uses less digits than its factorization.

20067307439444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31678042 (or 31678040 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 53.

The spelling of 20067307439444 in words is "twenty trillion, sixty-seven billion, three hundred seven million, four hundred thirty-nine thousand, four hundred forty-four".

Divisors: 1 2 4 159169 318338 636676 31518869 63037738 126075476 5016826859861 10033653719722 20067307439444