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20005102571104 = 25789308493621
BaseRepresentation
bin1001000110001110011010…
…00010000100111001100000
32121211110122222211222022201
410203013031002010321200
510110230422224233404
6110314114531542544
74133215043120320
oct443071502047140
977743588758281
1020005102571104
116413130962252
1222b115845aa54
13b2161c476491
144d2375bbd280
1524a5a2cedca4
hex1231cd084e60

20005102571104 has 24 divisors (see below), whose sum is σ = 45011480785488. Its totient is φ = 8573615387520.

The previous prime is 20005102571101. The next prime is 20005102571173. The reversal of 20005102571104 is 40117520150002.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005102571101) by changing a digit.

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, 44654246587 + ... + 44654247034.

It is an arithmetic number, because the mean of its divisors is an integer number (1875478366062).

Almost surely, 220005102571104 is an apocalyptic number.

It is an amenable number.

20005102571104 is an abundant number, since it is smaller than the sum of its proper divisors (25006378214384).

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

20005102571104 is an equidigital number, since it uses as much as digits as its factorization.

20005102571104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89308493638 (or 89308493630 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The spelling of 20005102571104 in words is "twenty trillion, five billion, one hundred two million, five hundred seventy-one thousand, one hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 89308493621 178616987242 357233974484 625159455347 714467948968 1250318910694 1428935897936 2500637821388 2857871795872 5001275642776 10002551285552 20005102571104