Search a number
-
+
2011000144 = 24413065549
BaseRepresentation
bin111011111011101…
…0110110101010000
312012011001101120211
41313313112311100
513104304001034
6531314413504
7100556135116
oct16767266520
95164041524
102011000144
1194218019a
12481591294
1326082921a
1415111dab6
15bb836d64
hex77dd6d50

2011000144 has 20 divisors (see below), whose sum is σ = 3991346100. Its totient is φ = 980975360.

The previous prime is 2011000127. The next prime is 2011000177. The reversal of 2011000144 is 4410001102.

It can be written as a sum of positive squares in 2 ways, for example, as 108993600 + 1902006544 = 10440^2 + 43612^2 .

It is a congruent number.

It is an unprimeable number.

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, 1532119 + ... + 1533430.

It is an arithmetic number, because the mean of its divisors is an integer number (199567305).

Almost surely, 22011000144 is an apocalyptic number.

It is an amenable number.

2011000144 is a deficient number, since it is larger than the sum of its proper divisors (1980345956).

2011000144 is a wasteful number, since it uses less digits than its factorization.

2011000144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065598 (or 3065592 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2011000144 is about 44844.1762551170. The cubic root of 2011000144 is about 1262.2267134383.

Adding to 2011000144 its reverse (4410001102), we get a palindrome (6421001246).

The spelling of 2011000144 in words is "two billion, eleven million, one hundred forty-four", and thus it is an aban number.

Divisors: 1 2 4 8 16 41 82 164 328 656 3065549 6131098 12262196 24524392 49048784 125687509 251375018 502750036 1005500072 2011000144