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2011000404 = 223723940481
BaseRepresentation
bin111011111011101…
…0110111001010100
312012011001101221110
41313313112321110
513104304003104
6531314415020
7100556135640
oct16767267124
95164041843
102011000404
11942180406
12481591470
1326082938a
1415111dc20
15bb836e89
hex77dd6e54

2011000404 has 24 divisors (see below), whose sum is σ = 5362667968. Its totient is φ = 574571520.

The previous prime is 2011000367. The next prime is 2011000417. The reversal of 2011000404 is 4040001102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2011000404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11970157 + ... + 11970324.

Almost surely, 22011000404 is an apocalyptic number.

It is an amenable number.

2011000404 is an abundant number, since it is smaller than the sum of its proper divisors (3351667564).

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

2011000404 is a wasteful number, since it uses less digits than its factorization.

2011000404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23940495 (or 23940493 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2011000404 is about 44844.1791540441. The cubic root of 2011000404 is about 1262.2267678356.

Adding to 2011000404 its reverse (4040001102), we get a palindrome (6051001506).

The spelling of 2011000404 in words is "two billion, eleven million, four hundred four", and thus it is an aban number.

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 23940481 47880962 71821443 95761924 143642886 167583367 287285772 335166734 502750101 670333468 1005500202 2011000404