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20123133100001 = 831571544250871
BaseRepresentation
bin1001001001101010010000…
…01100110011111111100001
32122020202022202010002100222
410210311020030303333201
510114144134033200001
6110444234551452425
74144563666061421
oct444651014637741
978222282102328
1020123133100001
11645919a0315a8
12230bbb8687115
13b2c7ac615119
144d7d71736481
1524d6aee2261b
hex124d48333fe1

20123133100001 has 8 divisors (see below), whose sum is σ = 20495297573184. Its totient is φ = 19754057129040.

The previous prime is 20123133099997. The next prime is 20123133100043. The reversal of 20123133100001 is 10000133132102.

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 20123133100001 - 22 = 20123133099997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123133100501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772112405 + ... + 772138466.

It is an arithmetic number, because the mean of its divisors is an integer number (2561912196648).

Almost surely, 220123133100001 is an apocalyptic number.

It is an amenable number.

20123133100001 is a deficient number, since it is larger than the sum of its proper divisors (372164473183).

20123133100001 is a wasteful number, since it uses less digits than its factorization.

20123133100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544251111.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20123133100001 its reverse (10000133132102), we get a palindrome (30123266232103).

The spelling of 20123133100001 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty-three million, one hundred thousand, one".

Divisors: 1 83 157 13031 1544250871 128172822293 242447386747 20123133100001