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2000188772 = 223741329629
BaseRepresentation
bin111011100111000…
…0111010101100100
312011101201010011122
41313032013111210
513044022020042
6530250553112
7100365216101
oct16716072544
95141633148
102000188772
1193706647a
12479a38798
1325b51226a
1414d907aa8
15ba8ed7d2
hex77387564

2000188772 has 24 divisors (see below), whose sum is σ = 3682626360. Its totient is φ = 949328640.

The previous prime is 2000188769. The next prime is 2000188787. The reversal of 2000188772 is 2778810002.

It can be written as a sum of positive squares in 4 ways, for example, as 550559296 + 1449629476 = 23464^2 + 38074^2 .

It is an unprimeable number.

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, 158747 + ... + 170882.

It is an arithmetic number, because the mean of its divisors is an integer number (153442765).

Almost surely, 22000188772 is an apocalyptic number.

It is an amenable number.

2000188772 is a deficient number, since it is larger than the sum of its proper divisors (1682437588).

2000188772 is a wasteful number, since it uses less digits than its factorization.

2000188772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329711 (or 329709 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 2000188772 is about 44723.4700353181. The cubic root of 2000188772 is about 1259.9606882839.

Adding to 2000188772 its reverse (2778810002), we get a palindrome (4778998774).

The spelling of 2000188772 in words is "two billion, one hundred eighty-eight thousand, seven hundred seventy-two".

Divisors: 1 2 4 37 41 74 82 148 164 1517 3034 6068 329629 659258 1318516 12196273 13514789 24392546 27029578 48785092 54059156 500047193 1000094386 2000188772