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2311041921 = 36711497721
BaseRepresentation
bin1000100110111111…
…1011001110000001
312222001122002112020
42021233323032001
514213111320141
61021153352053
7111161350356
oct21157731601
95861562466
102311041921
11a86583001
12545b68629
132aaa40036
1417cd0462d
15d7d53266
hex89bfb381

2311041921 has 8 divisors (see below), whose sum is σ = 3127380384. Its totient is φ = 1517699040.

The previous prime is 2311041919. The next prime is 2311041937. The reversal of 2311041921 is 1291401132.

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

It is not a de Polignac number, because 2311041921 - 21 = 2311041919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311041891 and 2311041900.

It is not an unprimeable number, because it can be changed into a prime (2311041911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5748660 + ... + 5749061.

It is an arithmetic number, because the mean of its divisors is an integer number (390922548).

Almost surely, 22311041921 is an apocalyptic number.

It is an amenable number.

2311041921 is a deficient number, since it is larger than the sum of its proper divisors (816338463).

2311041921 is a wasteful number, since it uses less digits than its factorization.

2311041921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11497791.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 2311041921 is about 48073.2973801465. The cubic root of 2311041921 is about 1322.1151276836.

The spelling of 2311041921 in words is "two billion, three hundred eleven million, forty-one thousand, nine hundred twenty-one".

Divisors: 1 3 67 201 11497721 34493163 770347307 2311041921