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90214036583449 = 94981072
BaseRepresentation
bin10100100000110010010111…
…100110101011010000011001
3102211102101012022200021120211
4110200302113212223100121
543311031321331132244
6515511431204251121
725000514632435522
oct2440622746532031
9384371168607524
1090214036583449
112682161585a249
12a1501023a0aa1
133b451bb38718c
14183c550081849
15a66a1a25d934
hex520c979ab419

90214036583449 has 3 divisors (see below), whose sum is σ = 90214046081557. Its totient is φ = 90214027085342.

The previous prime is 90214036583383. The next prime is 90214036583467. The reversal of 90214036583449 is 94438563041209.

The square root of 90214036583449 is 9498107.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 90214036583449 - 235 = 90179676845081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90214036583393 and 90214036583402.

It is not an unprimeable number, because it can be changed into a prime (90214036583549) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4749054 + ... + 14247160.

Almost surely, 290214036583449 is an apocalyptic number.

90214036583449 is the 9498107-th square number.

90214036583449 is the 4749054-th centered octagonal number.

It is an amenable number.

90214036583449 is a deficient number, since it is larger than the sum of its proper divisors (9498108).

90214036583449 is an frugal number, since it uses more digits than its factorization.

90214036583449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18996214 (or 9498107 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 58.

The spelling of 90214036583449 in words is "ninety trillion, two hundred fourteen billion, thirty-six million, five hundred eighty-three thousand, four hundred forty-nine".

Divisors: 1 9498107 90214036583449