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90132922447 = 372958182351
BaseRepresentation
bin101001111110001010…
…1110100000001001111
322121122111222212102221
41103330111310001033
52434043012004242
6105223445200211
76340402125361
oct1237425640117
9277574885387
1090132922447
1135252759757
1215575400067
138665522009
14451081cd31
152527d86167
hex14fc57404f

90132922447 has 8 divisors (see below), whose sum is σ = 92573200832. Its totient is φ = 87692868000.

The previous prime is 90132922357. The next prime is 90132922463. The reversal of 90132922447 is 74422923109.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-90132922447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90132922147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053322 + ... + 1135672.

It is an arithmetic number, because the mean of its divisors is an integer number (11571650104).

Almost surely, 290132922447 is an apocalyptic number.

90132922447 is a deficient number, since it is larger than the sum of its proper divisors (2440278385).

90132922447 is a wasteful number, since it uses less digits than its factorization.

90132922447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111969.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 90132922447 in words is "ninety billion, one hundred thirty-two million, nine hundred twenty-two thousand, four hundred forty-seven".

Divisors: 1 37 29581 82351 1094497 3046987 2436024931 90132922447