Search a number
-
+
202021012020101 = 4716725738439549
BaseRepresentation
bin101101111011110010101110…
…101010001001101110000101
3222111022000112200022010101012
4231323302232222021232011
5202434403013034120401
61553355101031012005
760360352002122441
oct5573625652115605
9874260480263335
10202021012020101
11594086a26768aa
121a7a903820a005
138895665a86231
1437c5c24d55821
15185506ba908bb
hexb7bcaea89b85

202021012020101 has 8 divisors (see below), whose sum is σ = 207554776531200. Its totient is φ = 196538724388528.

The previous prime is 202021012020077. The next prime is 202021012020133. The reversal of 202021012020101 is 101020210120202.

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 202021012020101 - 214 = 202021012003717 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 (202021012020161) 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, 12869211926 + ... + 12869227623.

It is an arithmetic number, because the mean of its divisors is an integer number (25944347066400).

Almost surely, 2202021012020101 is an apocalyptic number.

It is an amenable number.

202021012020101 is a deficient number, since it is larger than the sum of its proper divisors (5533764511099).

202021012020101 is a wasteful number, since it uses less digits than its factorization.

202021012020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25738439763.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202021012020101 its reverse (101020210120202), we get a palindrome (303041222140303).

The spelling of 202021012020101 in words is "two hundred two trillion, twenty-one billion, twelve million, twenty thousand, one hundred one".

Divisors: 1 47 167 7849 25738439549 1209706658803 4298319404683 202021012020101