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8834145907649 = 19517138991067
BaseRepresentation
bin1000000010001101110000…
…1000001111001111000001
31011021112110211001222100012
42000203130020033033001
52124214312323021044
630442203421434305
71601150241150356
oct200433410171701
934245424058305
108834145907649
1128a65a4071817
12ba814970b995
134c1096b525ca
1422780990462d
15104be2d2859e
hex808dc20f3c1

8834145907649 has 8 divisors (see below), whose sum is σ = 9299281811040. Its totient is φ = 8369028089856.

The previous prime is 8834145907633. The next prime is 8834145907667. The reversal of 8834145907649 is 9467095414388.

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

It is not a de Polignac number, because 8834145907649 - 24 = 8834145907633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8834145907049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3512987 + ... + 5478080.

It is an arithmetic number, because the mean of its divisors is an integer number (1162410226380).

Almost surely, 28834145907649 is an apocalyptic number.

It is an amenable number.

8834145907649 is a deficient number, since it is larger than the sum of its proper divisors (465135903391).

8834145907649 is a wasteful number, since it uses less digits than its factorization.

8834145907649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9042799.

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 8834145907649 in words is "eight trillion, eight hundred thirty-four billion, one hundred forty-five million, nine hundred seven thousand, six hundred forty-nine".

Divisors: 1 19 51713 982547 8991067 170830273 464955047771 8834145907649