Search a number
-
+
20313001203 = 311255958681
BaseRepresentation
bin10010111010101111…
…111100110011110011
31221102122111101011220
4102322233330303303
5313100112014303
613155350040123
71316242442565
oct227257746363
957378441156
1020313001203
118684183500
123b2a949043
131bb94a8351
14da9ac1335
157dd497053
hex4babfccf3

20313001203 has 12 divisors (see below), whose sum is σ = 29770018824. Its totient is φ = 12310909600.

The previous prime is 20313001139. The next prime is 20313001207. The reversal of 20313001203 is 30210031302.

It is not a de Polignac number, because 20313001203 - 26 = 20313001139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20313001207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27978978 + ... + 27979703.

It is an arithmetic number, because the mean of its divisors is an integer number (2480834902).

Almost surely, 220313001203 is an apocalyptic number.

20313001203 is a deficient number, since it is larger than the sum of its proper divisors (9457017621).

20313001203 is a wasteful number, since it uses less digits than its factorization.

20313001203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55958706 (or 55958695 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20313001203 its reverse (30210031302), we get a palindrome (50523032505).

The spelling of 20313001203 in words is "twenty billion, three hundred thirteen million, one thousand, two hundred three".

Divisors: 1 3 11 33 121 363 55958681 167876043 615545491 1846636473 6771000401 20313001203