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8427094739940 = 2235140451578999
BaseRepresentation
bin111101010100001010111…
…1111010000101111100100
31002211121210201111011122210
41322220111333100233210
52101032142223134230
625531204234323420
71526560156260162
oct172502577205744
932747721434583
108427094739940
112759a02317798
12b41288b89570
134918967345a6
14211c330a6232
15e931c3a9eb0
hex7aa15fd0be4

8427094739940 has 24 divisors (see below), whose sum is σ = 23595865272000. Its totient is φ = 2247225263968.

The previous prime is 8427094739929. The next prime is 8427094740041. The reversal of 8427094739940 is 499374907248.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70225789440 + ... + 70225789559.

It is an arithmetic number, because the mean of its divisors is an integer number (983161053000).

Almost surely, 28427094739940 is an apocalyptic number.

It is an amenable number.

8427094739940 is an abundant number, since it is smaller than the sum of its proper divisors (15168770532060).

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

8427094739940 is a wasteful number, since it uses less digits than its factorization.

8427094739940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140451579011 (or 140451579009 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 66.

The spelling of 8427094739940 in words is "eight trillion, four hundred twenty-seven billion, ninety-four million, seven hundred thirty-nine thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 140451578999 280903157998 421354736997 561806315996 702257894995 842709473994 1404515789990 1685418947988 2106773684985 2809031579980 4213547369970 8427094739940