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4943132857 = 131722997673
BaseRepresentation
bin1001001101010001…
…00011100010111001
3110202111101011111201
410212220203202321
540110420222412
62134300254201
7233331636025
oct44650434271
913674334451
104943132857
1121072a6973
12b5b541361
1360a13a8b0
1434c6db385
151dde71e57
hex126a238b9

4943132857 has 16 divisors (see below), whose sum is σ = 5661185040. Its totient is φ = 4275689472.

The previous prime is 4943132849. The next prime is 4943132903. The reversal of 4943132857 is 7582313494.

It can be written as a sum of positive squares in 8 ways, for example, as 877285161 + 4065847696 = 29619^2 + 63764^2 .

It is a cyclic number.

It is not a de Polignac number, because 4943132857 - 23 = 4943132849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4943132057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1773 + ... + 99445.

It is an arithmetic number, because the mean of its divisors is an integer number (353824065).

Almost surely, 24943132857 is an apocalyptic number.

It is an amenable number.

4943132857 is a deficient number, since it is larger than the sum of its proper divisors (718052183).

4943132857 is a wasteful number, since it uses less digits than its factorization.

4943132857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97932.

The product of its digits is 725760, while the sum is 46.

The square root of 4943132857 is about 70307.4167993676. The cubic root of 4943132857 is about 1703.4684500037.

The spelling of 4943132857 in words is "four billion, nine hundred forty-three million, one hundred thirty-two thousand, eight hundred fifty-seven".

Divisors: 1 13 17 221 229 2977 3893 50609 97673 1269749 1660441 21585733 22367117 290772521 380240989 4943132857