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2011000004 = 221338673077
BaseRepresentation
bin111011111011101…
…0110110011000100
312012011001101101122
41313313112303010
513104304000004
6531314413112
7100556134526
oct16767266304
95164041348
102011000004
11942180082
12481591198
13260829140
1415111da16
15bb836cbe
hex77dd6cc4

2011000004 has 12 divisors (see below), whose sum is σ = 3789961644. Its totient is φ = 928153824.

The previous prime is 2011000003. The next prime is 2011000007. The reversal of 2011000004 is 4000001102.

It can be written as a sum of positive squares in 2 ways, for example, as 442681600 + 1568318404 = 21040^2 + 39602^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2010999955 and 2011000000.

It is not an unprimeable number, because it can be changed into a prime (2011000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19336487 + ... + 19336590.

It is an arithmetic number, because the mean of its divisors is an integer number (315830137).

Almost surely, 22011000004 is an apocalyptic number.

It is an amenable number.

2011000004 is a deficient number, since it is larger than the sum of its proper divisors (1778961640).

2011000004 is a wasteful number, since it uses less digits than its factorization.

2011000004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38673094 (or 38673092 counting only the distinct ones).

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

The square root of 2011000004 is about 44844.1746941562. The cubic root of 2011000004 is about 1262.2266841475.

Adding to 2011000004 its reverse (4000001102), we get a palindrome (6011001106).

The spelling of 2011000004 in words is "two billion, eleven million, four", and thus it is an aban number.

Divisors: 1 2 4 13 26 52 38673077 77346154 154692308 502750001 1005500002 2011000004