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20060826856081 = 1117509210760607
BaseRepresentation
bin1001000111110110001100…
…11101010110101010010001
32122000210111111220221201021
410203323012131112222101
510112134033133343311
6110355452220435441
74140226663535464
oct443730635265221
978023444827637
1020060826856081
116434826859330
1222bbb0a3a8b81
13b26960137a7b
144d4d4086b2db
1524bc64eb8171
hex123ec6756a91

20060826856081 has 16 divisors (see below), whose sum is σ = 23217388577280. Its totient is φ = 17130622055680.

The previous prime is 20060826856073. The next prime is 20060826856093. The reversal of 20060826856081 is 18065862806002.

It is a cyclic number.

It is not a de Polignac number, because 20060826856081 - 23 = 20060826856073 is a prime.

It is a super-2 number, since 2×200608268560812 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20060826856381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105285121 + ... + 105475486.

It is an arithmetic number, because the mean of its divisors is an integer number (1451086786080).

Almost surely, 220060826856081 is an apocalyptic number.

It is an amenable number.

20060826856081 is a deficient number, since it is larger than the sum of its proper divisors (3156561721199).

20060826856081 is a wasteful number, since it uses less digits than its factorization.

20060826856081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210761144.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 20060826856081 in words is "twenty trillion, sixty billion, eight hundred twenty-six million, eight hundred fifty-six thousand, eighty-one".

Divisors: 1 11 17 187 509 5599 8653 95183 210760607 2318366677 3582930319 39412233509 107277148963 1180048638593 1823711532371 20060826856081