Search a number
-
+
20203010213 = 191139409879
BaseRepresentation
bin10010110100001100…
…010111100010100101
31221010222112020220112
4102310030113202211
5312333432311323
613140420342405
71313435516261
oct226414274245
957128466815
1020203010213
118628088661
123ab9b44a05
131b9c777119
14d9924d0a1
157d39bc178
hex4b43178a5

20203010213 has 8 divisors (see below), whose sum is σ = 21454526400. Its totient is φ = 18970314048.

The previous prime is 20203010209. The next prime is 20203010263. The reversal of 20203010213 is 31201030202.

It is a happy number.

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 20203010213 - 22 = 20203010209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203010263) 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, 4702793 + ... + 4707086.

It is an arithmetic number, because the mean of its divisors is an integer number (2681815800).

Almost surely, 220203010213 is an apocalyptic number.

It is an amenable number.

20203010213 is a deficient number, since it is larger than the sum of its proper divisors (1251516187).

20203010213 is a wasteful number, since it uses less digits than its factorization.

20203010213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9410011.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20203010213 its reverse (31201030202), we get a palindrome (51404040415).

The spelling of 20203010213 in words is "twenty billion, two hundred three million, ten thousand, two hundred thirteen".

Divisors: 1 19 113 2147 9409879 178787701 1063316327 20203010213