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202110030001 = 1118373639091
BaseRepresentation
bin1011110000111010110…
…0100101000010110001
3201022200101200022111201
42330032230211002301
511302410131430001
6232503103211201
720413321623655
oct2741654450261
9638611608451
10202110030001
117879492aa50
12332062a6b01
131609c50c439
149ad441ca65
1553cd81d501
hex2f0eb250b1

202110030001 has 4 divisors (see below), whose sum is σ = 220483669104. Its totient is φ = 183736390900.

The previous prime is 202110029987. The next prime is 202110030043. The reversal of 202110030001 is 100030011202.

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 202110030001 - 221 = 202107932849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202110030001.

It is not an unprimeable number, because it can be changed into a prime (202110030091) 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, 9186819535 + ... + 9186819556.

It is an arithmetic number, because the mean of its divisors is an integer number (55120917276).

Almost surely, 2202110030001 is an apocalyptic number.

It is an amenable number.

202110030001 is a deficient number, since it is larger than the sum of its proper divisors (18373639103).

202110030001 is a wasteful number, since it uses less digits than its factorization.

202110030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18373639102.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 202110030001 its reverse (100030011202), we get a palindrome (302140041203).

The spelling of 202110030001 in words is "two hundred two billion, one hundred ten million, thirty thousand, one".

Divisors: 1 11 18373639091 202110030001