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90028383009 = 330009461003
BaseRepresentation
bin101001111011000011…
…1000001101100100001
322121101020021201021220
41103312013001230201
52433334231224014
6105205232405253
76334662425565
oct1236607015441
9277336251256
1090028383009
11351a9747724
12155463a6829
13864997c266
1445009a96a5
15251dad66a9
hex14f61c1b21

90028383009 has 4 divisors (see below), whose sum is σ = 120037844016. Its totient is φ = 60018922004.

The previous prime is 90028382957. The next prime is 90028383037. The reversal of 90028383009 is 90038382009.

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 not a de Polignac number, because 90028383009 - 27 = 90028382881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90028383089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15004730499 + ... + 15004730504.

It is an arithmetic number, because the mean of its divisors is an integer number (30009461004).

Almost surely, 290028383009 is an apocalyptic number.

It is an amenable number.

90028383009 is a deficient number, since it is larger than the sum of its proper divisors (30009461007).

90028383009 is a wasteful number, since it uses less digits than its factorization.

90028383009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30009461006.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 90028383009 in words is "ninety billion, twenty-eight million, three hundred eighty-three thousand, nine".

Divisors: 1 3 30009461003 90028383009