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7993384539312 = 243634192625851
BaseRepresentation
bin111010001010001101011…
…0110001001010010110000
31001022011022201020011211210
41310110122312021102300
52021430422420224222
625000035443440120
71453334343346644
oct164243266112260
931264281204753
107993384539312
112601a80204757
12a91208386040
1345ca08178593
141d8c4bc20c24
15dcdd62a8d0c
hex7451ad894b0

7993384539312 has 40 divisors (see below), whose sum is σ = 20649910196160. Its totient is φ = 2664418484800.

The previous prime is 7993384539311. The next prime is 7993384539319. The reversal of 7993384539312 is 2139354833997.

It is a super-2 number, since 2×79933845393122 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7993384539311) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1731187 + ... + 4357037.

It is an arithmetic number, because the mean of its divisors is an integer number (516247754904).

Almost surely, 27993384539312 is an apocalyptic number.

It is an amenable number.

7993384539312 is an abundant number, since it is smaller than the sum of its proper divisors (12656525656848).

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

7993384539312 is a wasteful number, since it uses less digits than its factorization.

7993384539312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689281 (or 2689275 counting only the distinct ones).

The product of its digits is 132269760, while the sum is 66.

The spelling of 7993384539312 in words is "seven trillion, nine hundred ninety-three billion, three hundred eighty-four million, five hundred thirty-nine thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 63419 126838 190257 253676 380514 507352 761028 1014704 1522056 2625851 3044112 5251702 7877553 10503404 15755106 21006808 31510212 42013616 63020424 126040848 166528844569 333057689138 499586533707 666115378276 999173067414 1332230756552 1998346134828 2664461513104 3996692269656 7993384539312