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20068416404 = 226946372227
BaseRepresentation
bin10010101100001010…
…111011101110010100
31220210121021011220122
4102230022323232110
5312100003311104
613115211451112
71310212503431
oct225412735624
956717234818
1020068416404
118569109303
123a80a56a98
131b7a91070a
14d85414b88
157c6c826be
hex4ac2bbb94

20068416404 has 12 divisors (see below), whose sum is σ = 35120720544. Its totient is φ = 10033924824.

The previous prime is 20068416383. The next prime is 20068416419. The reversal of 20068416404 is 40461486002.

It is a congruent number.

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, 241739 + ... + 313965.

It is an arithmetic number, because the mean of its divisors is an integer number (2926726712).

Almost surely, 220068416404 is an apocalyptic number.

It is an amenable number.

20068416404 is a deficient number, since it is larger than the sum of its proper divisors (15052304140).

20068416404 is a wasteful number, since it uses less digits than its factorization.

20068416404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141694 (or 141692 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 20068416404 in words is "twenty billion, sixty-eight million, four hundred sixteen thousand, four hundred four".

Divisors: 1 2 4 69463 72227 138926 144454 277852 288908 5017104101 10034208202 20068416404