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20004304661755 = 517155992332049
BaseRepresentation
bin1001000110001100111010…
…11110010010110011111011
32121211101121101102222110121
410203012131132102303323
510110222303443134010
6110313503425554111
74133156214032101
oct443063536226373
977741541388417
1020004304661755
11641286151a137
1222b0b751a5937
13b2152307607b
144d22dbc39c71
1524a557c3b3da
hex12319d792cfb

20004304661755 has 8 divisors (see below), whose sum is σ = 24005189880000. Its totient is φ = 16003427538816.

The previous prime is 20004304661657. The next prime is 20004304661779. The reversal of 20004304661755 is 55716640340002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20004304661755 - 241 = 17805281406203 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7411971 + ... + 9744019.

It is an arithmetic number, because the mean of its divisors is an integer number (3000648735000).

Almost surely, 220004304661755 is an apocalyptic number.

20004304661755 is a deficient number, since it is larger than the sum of its proper divisors (4000885218245).

20004304661755 is a wasteful number, since it uses less digits than its factorization.

20004304661755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047653.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 20004304661755 in words is "twenty trillion, four billion, three hundred four million, six hundred sixty-one thousand, seven hundred fifty-five".

Divisors: 1 5 1715599 2332049 8577995 11660245 4000860932351 20004304661755