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780800050675009 = 19675779106135027
BaseRepresentation
bin1011000110001000100010110…
…1101010010011110101000001
310210101120202102000120000122201
42301202020231222103311001
51304320112000433100014
611404342331430233201
7323314641064223461
oct26142105552236501
93711522360500581
10780800050675009
11206872495210922
12736a43451b5801
132768a18a0c4b51
14dab4cd19cbba1
156040603d77e74
hex2c6222da93d41

780800050675009 has 16 divisors (see below), whose sum is σ = 834306228102400. Its totient is φ = 728538838110864.

The previous prime is 780800050674887. The next prime is 780800050675019. The reversal of 780800050675009 is 900576050008087.

It is not a de Polignac number, because 780800050675009 - 229 = 780799513804097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (780800050675019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45710847 + ... + 60424180.

It is an arithmetic number, because the mean of its divisors is an integer number (52144139256400).

Almost surely, 2780800050675009 is an apocalyptic number.

It is an amenable number.

780800050675009 is a deficient number, since it is larger than the sum of its proper divisors (53506177427391).

780800050675009 is a wasteful number, since it uses less digits than its factorization.

780800050675009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106140892.

The product of its (nonzero) digits is 4233600, while the sum is 55.

The spelling of 780800050675009 in words is "seven hundred eighty trillion, eight hundred billion, fifty million, six hundred seventy-five thousand, nine".

Divisors: 1 19 67 1273 5779 109801 387193 7356667 106135027 2016565513 7111046809 135109889371 613354321033 11653732099627 41094739509211 780800050675009