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9620757085 = 51924151417
BaseRepresentation
bin10001111010111000…
…10001101001011101
3220211111011002122111
420331130101221131
5124200403211320
64230354114021
7460261041322
oct107534215135
926744132574
109620757085
114097737215
121a45b7b911
13ba4265a94
14673a42b49
153b4949a5a
hex23d711a5d

9620757085 has 4 divisors (see below), whose sum is σ = 11544908508. Its totient is φ = 7696605664.

The previous prime is 9620757077. The next prime is 9620757109. The reversal of 9620757085 is 5807570269.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5807570269 = 30718917167.

It can be written as a sum of positive squares in 2 ways, for example, as 2615401881 + 7005355204 = 51141^2 + 83698^2 .

It is a cyclic number.

It is not a de Polignac number, because 9620757085 - 23 = 9620757077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962075704 + ... + 962075713.

It is an arithmetic number, because the mean of its divisors is an integer number (2886227127).

Almost surely, 29620757085 is an apocalyptic number.

It is an amenable number.

9620757085 is a deficient number, since it is larger than the sum of its proper divisors (1924151423).

9620757085 is a wasteful number, since it uses less digits than its factorization.

9620757085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924151422.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The square root of 9620757085 is about 98085.4580710107. The cubic root of 9620757085 is about 2126.8478200060.

The spelling of 9620757085 in words is "nine billion, six hundred twenty million, seven hundred fifty-seven thousand, eighty-five".

Divisors: 1 5 1924151417 9620757085