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20000000111101 = 3971039412911743
BaseRepresentation
bin1001000110000100111001…
…11001101111000111111101
32121210222111101200011001121
410203002130321233013331
510110140000012023401
6110311512340310541
74132644434663533
oct443023471570775
977728441604047
1020000000111101
116410a5273355a
1222b01736a2451
13b20cb832248a
144d201028a153
1524a3a4da8ca1
hex12309ce6f1fd

20000000111101 has 16 divisors (see below), whose sum is σ = 20076245862400. Its totient is φ = 19923897742848.

The previous prime is 20000000111057. The next prime is 20000000111111. The reversal of 20000000111101 is 10111100000002.

It is a cyclic number.

It is not a de Polignac number, because 20000000111101 - 27 = 20000000110973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000000111111) 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, 1703136436 + ... + 1703148178.

It is an arithmetic number, because the mean of its divisors is an integer number (1254765366400).

Almost surely, 220000000111101 is an apocalyptic number.

It is an amenable number.

20000000111101 is a deficient number, since it is larger than the sum of its proper divisors (76245751299).

20000000111101 is a wasteful number, since it uses less digits than its factorization.

20000000111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17308.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 20000000111101 its reverse (10111100000002), we get a palindrome (30111100111103).

The spelling of 20000000111101 in words is "twenty trillion, one hundred eleven thousand, one hundred one".

Divisors: 1 397 1039 4129 11743 412483 1639213 4290031 4661971 12200977 48486847 1703142307 4843787869 19249278259 50377834033 20000000111101