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2011342404 = 223167611867
BaseRepresentation
bin111011111100010…
…1010011001000100
312012011200210002010
41313320222121010
513104400424104
6531330014220
7100562062011
oct16770523104
95164623063
102011342404
11942394355
12481717370
13260918c46
141511ac708
15bb8a3489
hex77e2a644

2011342404 has 12 divisors (see below), whose sum is σ = 4693132304. Its totient is φ = 670447464.

The previous prime is 2011342397. The next prime is 2011342423. The reversal of 2011342404 is 4042431102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20113424042 = 8090996532256998432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83805922 + ... + 83805945.

Almost surely, 22011342404 is an apocalyptic number.

It is an amenable number.

2011342404 is an abundant number, since it is smaller than the sum of its proper divisors (2681789900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011342404 is a wasteful number, since it uses less digits than its factorization.

2011342404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167611874 (or 167611872 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2011342404 is about 44847.9921958609. The cubic root of 2011342404 is about 1262.2983171476.

Adding to 2011342404 its reverse (4042431102), we get a palindrome (6053773506).

The spelling of 2011342404 in words is "two billion, eleven million, three hundred forty-two thousand, four hundred four".

Divisors: 1 2 3 4 6 12 167611867 335223734 502835601 670447468 1005671202 2011342404