Search a number
-
+
20212210200001 = 179112917375419
BaseRepresentation
bin1001001100010000001011…
…00110111110110111000001
32122120021020200101121200211
410212020011212332313001
510122124101302400001
6110553210003114121
74154166260661421
oct446100546766701
978507220347624
1020212210200001
116492a4a7aa216
122325318372941
13b38007183611
144dc3c1c36481
15250b7524c351
hex1262059bedc1

20212210200001 has 4 divisors (see below), whose sum is σ = 20325127575600. Its totient is φ = 20099292824404.

The previous prime is 20212210199981. The next prime is 20212210200029. The reversal of 20212210200001 is 10000201221202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20212210200001 - 211 = 20212210197953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212210200401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56458687531 + ... + 56458687888.

It is an arithmetic number, because the mean of its divisors is an integer number (5081281893900).

Almost surely, 220212210200001 is an apocalyptic number.

It is an amenable number.

20212210200001 is a deficient number, since it is larger than the sum of its proper divisors (112917375599).

20212210200001 is a wasteful number, since it uses less digits than its factorization.

20212210200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112917375598.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20212210200001 its reverse (10000201221202), we get a palindrome (30212411421203).

The spelling of 20212210200001 in words is "twenty trillion, two hundred twelve billion, two hundred ten million, two hundred thousand, one".

Divisors: 1 179 112917375419 20212210200001