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20270126630017 = 1117234712886917
BaseRepresentation
bin1001001101111100000011…
…01100101000010010000001
32122202210201222101002202101
410212332001230220102001
510124101204404130032
6111035545001150401
74161316430342155
oct446760154502201
978683658332671
1020270126630017
116505570050310
1223345a048b401
13b40607056154
14501117ab9065
15252414ad0de7
hex126f81b28481

20270126630017 has 16 divisors (see below), whose sum is σ = 24431605782912. Its totient is φ = 16589361944320.

The previous prime is 20270126629891. The next prime is 20270126630021. The reversal of 20270126630017 is 71003662107202.

It is a happy number.

It is not a de Polignac number, because 20270126630017 - 243 = 11474033607809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20270126630317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2356439158 + ... + 2356447759.

It is an arithmetic number, because the mean of its divisors is an integer number (1526975361432).

Almost surely, 220270126630017 is an apocalyptic number.

It is an amenable number.

20270126630017 is a deficient number, since it is larger than the sum of its proper divisors (4161479152895).

20270126630017 is a wasteful number, since it uses less digits than its factorization.

20270126630017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712886968.

The product of its (nonzero) digits is 42336, while the sum is 37.

Adding to 20270126630017 its reverse (71003662107202), we get a palindrome (91273788737219).

The spelling of 20270126630017 in words is "twenty trillion, two hundred seventy billion, one hundred twenty-six million, six hundred thirty thousand, seventeen".

Divisors: 1 11 17 23 187 253 391 4301 4712886917 51841756087 80119077589 108396399091 881309853479 1192360390001 1842738784547 20270126630017