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8430977089 = 31013271853
BaseRepresentation
bin1111101101000011…
…01000000001000001
3210202120101000022201
413312201220001001
5114231312231324
63512333033201
7415633060063
oct76641500101
923676330281
108430977089
113637080967
121773625801
13a4490c352
1459da13733
1534527c444
hex1f6868041

8430977089 has 4 divisors (see below), whose sum is σ = 8431279956. Its totient is φ = 8430674224.

The previous prime is 8430977069. The next prime is 8430977117. The reversal of 8430977089 is 9807790348.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84327489 + 8346649600 = 9183^2 + 91360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8430977089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8430977069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104914 + ... + 166939.

It is an arithmetic number, because the mean of its divisors is an integer number (2107819989).

Almost surely, 28430977089 is an apocalyptic number.

It is an amenable number.

8430977089 is a deficient number, since it is larger than the sum of its proper divisors (302867).

8430977089 is a wasteful number, since it uses less digits than its factorization.

8430977089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302866.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 8430977089 is about 91820.3522591805. The cubic root of 8430977089 is about 2035.2884578027.

The spelling of 8430977089 in words is "eight billion, four hundred thirty million, nine hundred seventy-seven thousand, eighty-nine".

Divisors: 1 31013 271853 8430977089