Search a number
-
+
2011013001 = 3424827321
BaseRepresentation
bin111011111011101…
…1001111110001001
312012011002001020000
41313313121332021
513104304404001
6531314553213
7100556220444
oct16767317611
95164061200
102011013001
11942189918
12481598809
1326083202a
1415112465b
15bb83aa86
hex77dd9f89

2011013001 has 10 divisors (see below), whose sum is σ = 3004105962. Its totient is φ = 1340675280.

The previous prime is 2011012987. The next prime is 2011013023. The reversal of 2011013001 is 1003101102.

It can be written as a sum of positive squares in only one way, i.e., 1085636601 + 925376400 = 32949^2 + 30420^2 .

It is not a de Polignac number, because 2011013001 - 29 = 2011012489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2011013401) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12413580 + ... + 12413741.

Almost surely, 22011013001 is an apocalyptic number.

It is an amenable number.

2011013001 is a deficient number, since it is larger than the sum of its proper divisors (993092961).

2011013001 is an equidigital number, since it uses as much as digits as its factorization.

2011013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24827333 (or 24827324 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 2011013001 is about 44844.3196068354. The cubic root of 2011013001 is about 1262.2294033792.

Adding to 2011013001 its reverse (1003101102), we get a palindrome (3014114103).

The spelling of 2011013001 in words is "two billion, eleven million, thirteen thousand, one".

Divisors: 1 3 9 27 81 24827321 74481963 223445889 670337667 2011013001