Search a number
-
+
20301123011 = 132835518109
BaseRepresentation
bin10010111010000010…
…101000110111000011
31221101211010220100212
4102322002220313003
5313034041414021
613154243304335
71316036461361
oct227202506703
957354126325
1020301123011
118678500214
123b2697b0ab
131bb6ba9930
14da82ac631
157dc3ec85b
hex4ba0a8dc3

20301123011 has 8 divisors (see below), whose sum is σ = 21940005360. Its totient is φ = 18673277472.

The previous prime is 20301123001. The next prime is 20301123067. The reversal of 20301123011 is 11032110302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20301123011 is a prime.

It is a super-2 number, since 2×203011230112 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20301123001) 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, 2755376 + ... + 2762733.

It is an arithmetic number, because the mean of its divisors is an integer number (2742500670).

Almost surely, 220301123011 is an apocalyptic number.

20301123011 is a deficient number, since it is larger than the sum of its proper divisors (1638882349).

20301123011 is a wasteful number, since it uses less digits than its factorization.

20301123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518405.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20301123011 its reverse (11032110302), we get a palindrome (31333233313).

The spelling of 20301123011 in words is "twenty billion, three hundred one million, one hundred twenty-three thousand, eleven".

Divisors: 1 13 283 3679 5518109 71735417 1561624847 20301123011