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428045290849 = 11124931155491
BaseRepresentation
bin1100011101010010111…
…11001100110101100001
31111220212012201202111201
412032221133030311201
524003114043301344
6524350304041201
742632234640241
oct6165137146541
91456765652451
10428045290849
11155595453520
126ab5b603201
1331497a55bb7
1416a08b81b21
15b203b094d4
hex63a97ccd61

428045290849 has 8 divisors (see below), whose sum is σ = 467332380000. Its totient is φ = 388820515200.

The previous prime is 428045290843. The next prime is 428045290909. The reversal of 428045290849 is 948092540824.

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 428045290849 - 219 = 428044766561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 428045290849.

It is not an unprimeable number, because it can be changed into a prime (428045290843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15564007 + ... + 15591484.

It is an arithmetic number, because the mean of its divisors is an integer number (58416547500).

Almost surely, 2428045290849 is an apocalyptic number.

It is an amenable number.

428045290849 is a deficient number, since it is larger than the sum of its proper divisors (39287089151).

428045290849 is a wasteful number, since it uses less digits than its factorization.

428045290849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31156751.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 428045290849 in words is "four hundred twenty-eight billion, forty-five million, two hundred ninety thousand, eight hundred forty-nine".

Divisors: 1 11 1249 13739 31155491 342710401 38913208259 428045290849