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202122030001 = 1910638001579
BaseRepresentation
bin1011110000111101101…
…0010110101110110001
3201022201020020222102011
42330033122112232301
511302421214430001
6232504212322521
720413525623253
oct2741732265661
9638636228364
10202122030001
11787a0686801
123320a313441
13160a1b51428
149ad5c63cd3
1553ce8ddd51
hex2f0f696bb1

202122030001 has 4 divisors (see below), whose sum is σ = 212760031600. Its totient is φ = 191484028404.

The previous prime is 202122029957. The next prime is 202122030029. The reversal of 202122030001 is 100030221202.

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 202122030001 - 229 = 201585159089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202122030041) 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, 5319000771 + ... + 5319000808.

It is an arithmetic number, because the mean of its divisors is an integer number (53190007900).

Almost surely, 2202122030001 is an apocalyptic number.

It is an amenable number.

202122030001 is a deficient number, since it is larger than the sum of its proper divisors (10638001599).

202122030001 is a wasteful number, since it uses less digits than its factorization.

202122030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10638001598.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 202122030001 its reverse (100030221202), we get a palindrome (302152251203).

The spelling of 202122030001 in words is "two hundred two billion, one hundred twenty-two million, thirty thousand, one".

Divisors: 1 19 10638001579 202122030001