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90304466387 = 1096531268731
BaseRepresentation
bin101010000011010010…
…0001100110111010011
322122002110210012111012
41110012210030313103
52434420420411022
6105252454041135
76344554204442
oct1240644146723
9278073705435
1090304466387
1135330576203
12156029491ab
138691c24cc5
144529514d59
152537e6dde2
hex150690cdd3

90304466387 has 8 divisors (see below), whose sum is σ = 91272580080. Its totient is φ = 89338891680.

The previous prime is 90304466339. The next prime is 90304466423. The reversal of 90304466387 is 78366440309.

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 90304466387 - 230 = 89230724563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90304466587) 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 7 ways as a sum of consecutive naturals, for example, 563189 + ... + 705542.

It is an arithmetic number, because the mean of its divisors is an integer number (11409072510).

Almost surely, 290304466387 is an apocalyptic number.

90304466387 is a deficient number, since it is larger than the sum of its proper divisors (968113693).

90304466387 is a wasteful number, since it uses less digits than its factorization.

90304466387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269493.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 90304466387 in words is "ninety billion, three hundred four million, four hundred sixty-six thousand, three hundred eighty-seven".

Divisors: 1 109 653 71177 1268731 138291679 828481343 90304466387