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6007645081 = 775092
BaseRepresentation
bin1011001100001010…
…10110001110011001
3120111200102222202101
411212011112032121
544300424120311
62432044403401
7301606066144
oct54605261631
916450388671
106007645081
112603182739
1211b7b46561
13749844799
1440dc3d05b
15252647ec1
hex166156399

6007645081 has 3 divisors (see below), whose sum is σ = 6007722591. Its totient is φ = 6007567572.

The previous prime is 6007645073. The next prime is 6007645097. The reversal of 6007645081 is 1805467006.

The square root of 6007645081 is 77509.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5938089481 + 69555600 = 77059^2 + 8340^2 .

It is not a de Polignac number, because 6007645081 - 23 = 6007645073 is a prime.

It is a super-2 number, since 2×60076450812 = 72183598838526993122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6007645081.

It is not an unprimeable number, because it can be changed into a prime (6007645781) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 38755 + ... + 116263.

It is an arithmetic number, because the mean of its divisors is an integer number (2002574197).

Almost surely, 26007645081 is an apocalyptic number.

6007645081 is the 77509-th square number.

6007645081 is the 38755-th centered octagonal number.

It is an amenable number.

6007645081 is a deficient number, since it is larger than the sum of its proper divisors (77510).

6007645081 is an frugal number, since it uses more digits than its factorization.

6007645081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155018 (or 77509 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The cubic root of 6007645081 is about 1817.8920449418.

The spelling of 6007645081 in words is "six billion, seven million, six hundred forty-five thousand, eighty-one".

Divisors: 1 77509 6007645081