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8937064813 = 82310859131
BaseRepresentation
bin10000101001011000…
…01100100101101101
3212001211122221011111
420110230030211231
5121300342033223
64034452152021
7434316540355
oct102454144555
925054587144
108937064813
113876816086
121895008611
13ac5716341
1460ad11b65
153748e930d
hex214b0c96d

8937064813 has 4 divisors (see below), whose sum is σ = 8947924768. Its totient is φ = 8926204860.

The previous prime is 8937064783. The next prime is 8937064817. The reversal of 8937064813 is 3184607398.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8937064813 is a prime.

It is a super-2 number, since 2×89370648132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8937064817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5428743 + ... + 5430388.

It is an arithmetic number, because the mean of its divisors is an integer number (2236981192).

Almost surely, 28937064813 is an apocalyptic number.

It is an amenable number.

8937064813 is a deficient number, since it is larger than the sum of its proper divisors (10859955).

8937064813 is a wasteful number, since it uses less digits than its factorization.

8937064813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10859954.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 8937064813 is about 94536.0503353086. The cubic root of 8937064813 is about 2075.2239416117.

The spelling of 8937064813 in words is "eight billion, nine hundred thirty-seven million, sixty-four thousand, eight hundred thirteen".

Divisors: 1 823 10859131 8937064813