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8997769045 = 51939324113
BaseRepresentation
bin10000110000100111…
…10000111101010101
3212020001220000201101
420120103300331111
5121411412102140
64044501230101
7435654526546
oct103023607525
925201800641
108997769045
1138a8008071
1218b1402331
13b0517b9c5
14614dd44cd
15379dda99a
hex2184f0f55

8997769045 has 8 divisors (see below), whose sum is σ = 10853268696. Its totient is φ = 7160918016.

The previous prime is 8997769037. The next prime is 8997769057. The reversal of 8997769045 is 5409677998.

It can be written as a sum of positive squares in 4 ways, for example, as 2436607044 + 6561162001 = 49362^2 + 81001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8997769045 - 23 = 8997769037 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 7 ways as a sum of consecutive naturals, for example, 4661092 + ... + 4663021.

It is an arithmetic number, because the mean of its divisors is an integer number (1356658587).

Almost surely, 28997769045 is an apocalyptic number.

It is an amenable number.

8997769045 is a deficient number, since it is larger than the sum of its proper divisors (1855499651).

8997769045 is a wasteful number, since it uses less digits than its factorization.

8997769045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9324311.

The product of its (nonzero) digits is 34292160, while the sum is 64.

The square root of 8997769045 is about 94856.5709110339. The cubic root of 8997769045 is about 2079.9119357593.

The spelling of 8997769045 in words is "eight billion, nine hundred ninety-seven million, seven hundred sixty-nine thousand, forty-five".

Divisors: 1 5 193 965 9324113 46620565 1799553809 8997769045