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1490008427648 = 271319212719531
BaseRepresentation
bin10101101011101011011…
…011000100110010000000
312021102222020201200011022
4111223223123010302000
5143403014124141043
63100300031405012
7212435540444006
oct25535333046200
95242866650138
101490008427648
115249aaa05184
12200934983768
13aa6793ba110
145218c69ca76
1528b5a103868
hex15aeb6c4c80

1490008427648 has 192 divisors, whose sum is σ = 3400555576320. Its totient is φ = 646338631680.

The previous prime is 1490008427587. The next prime is 1490008427653. The reversal of 1490008427648 is 8467248000941.

It is a super-2 number, since 2×14900084276482 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1490008427648.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 76279643 + ... + 76299173.

It is an arithmetic number, because the mean of its divisors is an integer number (17711226960).

Almost surely, 21490008427648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490008427648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1700277788160).

1490008427648 is an abundant number, since it is smaller than the sum of its proper divisors (1910547148672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1490008427648 is a wasteful number, since it uses less digits than its factorization.

1490008427648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19723 (or 19692 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 1490008427648 in words is "one trillion, four hundred ninety billion, eight million, four hundred twenty-seven thousand, six hundred forty-eight".