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2771424645 = 3511193128517
BaseRepresentation
bin1010010100110000…
…1001010110000101
321011010220221220020
42211030021112011
521133441042040
61135001125353
7125451502143
oct24514112605
97133827806
102771424645
1111a24403a0
12654189859
13352233852
141c4106593
15113492cd0
hexa5309585

2771424645 has 64 divisors (see below), whose sum is σ = 5256437760. Its totient is φ = 1231891200.

The previous prime is 2771424581. The next prime is 2771424661. The reversal of 2771424645 is 5464241772.

It is not a de Polignac number, because 2771424645 - 26 = 2771424581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2771424597 and 2771424606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82927 + ... + 111443.

It is an arithmetic number, because the mean of its divisors is an integer number (82131840).

Almost surely, 22771424645 is an apocalyptic number.

It is an amenable number.

2771424645 is a deficient number, since it is larger than the sum of its proper divisors (2485013115).

2771424645 is a wasteful number, since it uses less digits than its factorization.

2771424645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28586.

The product of its digits is 376320, while the sum is 42.

The square root of 2771424645 is about 52644.3220585088. The cubic root of 2771424645 is about 1404.6486028251.

The spelling of 2771424645 in words is "two billion, seven hundred seventy-one million, four hundred twenty-four thousand, six hundred forty-five".

Divisors: 1 3 5 11 15 19 31 33 55 57 93 95 155 165 209 285 341 465 589 627 1023 1045 1705 1767 2945 3135 5115 6479 8835 19437 28517 32395 85551 97185 142585 313687 427755 541823 884027 941061 1568435 1625469 2652081 2709115 4420135 4705305 5960053 8127345 9724297 13260405 16796513 17880159 29172891 29800265 48621485 50389539 83982565 89400795 145864455 184761643 251947695 554284929 923808215 2771424645