Search a number
-
+
200021012201 = 1499133436299
BaseRepresentation
bin1011101001001000101…
…1100110111011101001
3201010021210211012211002
42322102023212323221
511234120334342301
6231515520244345
720310464360033
oct2722213467351
9633253735732
10200021012201
1177912712a5a
12329227706b5
1315b2879822a
149976bd0c53
15530a22516b
hex2e922e6ee9

200021012201 has 4 divisors (see below), whose sum is σ = 200154450000. Its totient is φ = 199887574404.

The previous prime is 200021012171. The next prime is 200021012203. The reversal of 200021012201 is 102210120002.

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 a de Polignac number, because none of the positive numbers 2k-200021012201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200021012203) 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, 66716651 + ... + 66719648.

It is an arithmetic number, because the mean of its divisors is an integer number (50038612500).

Almost surely, 2200021012201 is an apocalyptic number.

It is an amenable number.

200021012201 is a deficient number, since it is larger than the sum of its proper divisors (133437799).

200021012201 is a wasteful number, since it uses less digits than its factorization.

200021012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133437798.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200021012201 its reverse (102210120002), we get a palindrome (302231132203).

The spelling of 200021012201 in words is "two hundred billion, twenty-one million, twelve thousand, two hundred one".

Divisors: 1 1499 133436299 200021012201