Search a number
-
+
2011104011 = 74837611
BaseRepresentation
bin111011111011111…
…0000001100001011
312012011020200001202
41313313300030023
513104320312021
6531320534415
7100560050000
oct16767601413
95164220052
102011104011
11942241234
1248162140b
13260864597
141511498a7
15bb857a0b
hex77df030b

2011104011 has 10 divisors (see below), whose sum is σ = 2346151212. Its totient is φ = 1723801380.

The previous prime is 2011103989. The next prime is 2011104047. The reversal of 2011104011 is 1104011102.

It is not a de Polignac number, because 2011104011 - 26 = 2011103947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011103983 and 2011104001.

It is not an unprimeable number, because it can be changed into a prime (2011104071) 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, 416405 + ... + 421206.

Almost surely, 22011104011 is an apocalyptic number.

2011104011 is a deficient number, since it is larger than the sum of its proper divisors (335047201).

2011104011 is an frugal number, since it uses more digits than its factorization.

2011104011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837639 (or 837618 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2011104011 is about 44845.3343281104. The cubic root of 2011104011 is about 1262.2484441586.

Adding to 2011104011 its reverse (1104011102), we get a palindrome (3115115113).

The spelling of 2011104011 in words is "two billion, eleven million, one hundred four thousand, eleven".

Divisors: 1 7 49 343 2401 837611 5863277 41042939 287300573 2011104011