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90800058747 = 330266686249
BaseRepresentation
bin101010010010000011…
…0101111000101111011
322200101000022220101210
41110210012233011323
52441424303334442
6105414000214203
76363052523226
oct1244406570573
9280330286353
1090800058747
11355652a2072
121572090a363
1387407c5b18
1445752805bd
15256671619c
hex15241af17b

90800058747 has 4 divisors (see below), whose sum is σ = 121066745000. Its totient is φ = 60533372496.

The previous prime is 90800058737. The next prime is 90800058751. The reversal of 90800058747 is 74785000809.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74785000809 = 324928333603.

It is not a de Polignac number, because 90800058747 - 219 = 90799534459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90800058696 and 90800058705.

It is not an unprimeable number, because it can be changed into a prime (90800058707) 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 3 ways as a sum of consecutive naturals, for example, 15133343122 + ... + 15133343127.

It is an arithmetic number, because the mean of its divisors is an integer number (30266686250).

Almost surely, 290800058747 is an apocalyptic number.

90800058747 is a deficient number, since it is larger than the sum of its proper divisors (30266686253).

90800058747 is a wasteful number, since it uses less digits than its factorization.

90800058747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30266686252.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 90800058747 in words is "ninety billion, eight hundred million, fifty-eight thousand, seven hundred forty-seven".

Divisors: 1 3 30266686249 90800058747