Search a number
-
+
20212021000101 = 37962477190481
BaseRepresentation
bin1001001100001111110100…
…10101001111011110100101
32122120020202111101021020010
410212013322111033132211
510122123204334000401
6110553135124000433
74154161502545260
oct446077225173645
978506674337203
1020212021000101
116492962a23567
122325284b30119
13b37ca6c0b108
144dc3a4a65cd7
15250b63827ed6
hex1261fa54f7a5

20212021000101 has 8 divisors (see below), whose sum is σ = 30799270095424. Its totient is φ = 11549726285760.

The previous prime is 20212021000097. The next prime is 20212021000111. The reversal of 20212021000101 is 10100012021202.

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

It is not a de Polignac number, because 20212021000101 - 22 = 20212021000097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212021000111) 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, 481238595220 + ... + 481238595261.

It is an arithmetic number, because the mean of its divisors is an integer number (3849908761928).

Almost surely, 220212021000101 is an apocalyptic number.

20212021000101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20212021000101 is a deficient number, since it is larger than the sum of its proper divisors (10587249095323).

20212021000101 is an equidigital number, since it uses as much as digits as its factorization.

20212021000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962477190491.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20212021000101 its reverse (10100012021202), we get a palindrome (30312033021303).

The spelling of 20212021000101 in words is "twenty trillion, two hundred twelve billion, twenty-one million, one hundred one", and thus it is an aban number.

Divisors: 1 3 7 21 962477190481 2887431571443 6737340333367 20212021000101