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7143940568 = 2319148731607
BaseRepresentation
bin1101010011100111…
…11110000111011000
3200102212120210010102
412221303332013120
5104112322044233
63140515234532
7342014331032
oct65163760730
920385523112
107143940568
113036628316
1214745a8a48
1389b092a8b
144bab08c52
152bc29d1e8
hex1a9cfe1d8

7143940568 has 32 divisors (see below), whose sum is σ = 14109811200. Its totient is φ = 3381589152.

The previous prime is 7143940561. The next prime is 7143940571. The reversal of 7143940568 is 8650493417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7143940561) 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 7 ways as a sum of consecutive naturals, for example, 210221 + ... + 241827.

It is an arithmetic number, because the mean of its divisors is an integer number (440931600).

Almost surely, 27143940568 is an apocalyptic number.

It is an amenable number.

7143940568 is a deficient number, since it is larger than the sum of its proper divisors (6965870632).

7143940568 is a wasteful number, since it uses less digits than its factorization.

7143940568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33119 (or 33115 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 7143940568 is about 84521.8348594019. The cubic root of 7143940568 is about 1925.9541516425.

The spelling of 7143940568 in words is "seven billion, one hundred forty-three million, nine hundred forty thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 19 38 76 152 1487 2974 5948 11896 28253 31607 56506 63214 113012 126428 226024 252856 600533 1201066 2402132 4804264 46999609 93999218 187998436 375996872 892992571 1785985142 3571970284 7143940568