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20001203133 = 38380326117
BaseRepresentation
bin10010101000001010…
…100010001110111101
31220121220210101122020
4102220022202032331
5311430302000013
613104411110353
71305435264402
oct225012421675
956556711566
1020001203133
118534180a4a
123a624423b9
131b69a09452
14d7a51a2a9
157c0e07623
hex4a82a23bd

20001203133 has 8 divisors (see below), whose sum is σ = 26989575648. Its totient is φ = 13173483024.

The previous prime is 20001203099. The next prime is 20001203147. The reversal of 20001203133 is 33130210002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20001203133 - 212 = 20001199037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001207133) 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, 40162810 + ... + 40163307.

It is an arithmetic number, because the mean of its divisors is an integer number (3373696956).

Almost surely, 220001203133 is an apocalyptic number.

It is an amenable number.

20001203133 is a deficient number, since it is larger than the sum of its proper divisors (6988372515).

20001203133 is an equidigital number, since it uses as much as digits as its factorization.

20001203133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80326203.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20001203133 its reverse (33130210002), we get a palindrome (53131413135).

The spelling of 20001203133 in words is "twenty billion, one million, two hundred three thousand, one hundred thirty-three".

Divisors: 1 3 83 249 80326117 240978351 6667067711 20001203133