Search a number
-
+
200200231021 = 7164931734071
BaseRepresentation
bin1011101001110011011…
…1010001100001101101
3201010202022001110211011
42322130313101201231
511240002224343041
6231545401425221
720315101612630
oct2723467214155
9633668043734
10200200231021
11779a48a178a
123297279b211
1315b5695767b
149992923c17
15531ad26e81
hex2e9cdd186d

200200231021 has 8 divisors (see below), whose sum is σ = 228814268544. Its totient is φ = 171589694640.

The previous prime is 200200230953. The next prime is 200200231051. The reversal of 200200231021 is 120132002002.

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

It is a de Polignac number, because none of the positive numbers 2k-200200231021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200200230992 and 200200231010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200200231051) 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, 751585 + ... + 982486.

It is an arithmetic number, because the mean of its divisors is an integer number (28601783568).

Almost surely, 2200200231021 is an apocalyptic number.

It is an amenable number.

200200231021 is a deficient number, since it is larger than the sum of its proper divisors (28614037523).

200200231021 is a wasteful number, since it uses less digits than its factorization.

200200231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750571.

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

Adding to 200200231021 its reverse (120132002002), we get a palindrome (320332233023).

The spelling of 200200231021 in words is "two hundred billion, two hundred million, two hundred thirty-one thousand, twenty-one".

Divisors: 1 7 16493 115451 1734071 12138497 28600033003 200200231021