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80279806341 = 3728113604441
BaseRepresentation
bin100101011000100001…
…1001010000110000101
321200012211121201010210
41022301003022012011
52303403112300331
6100514030510033
75541260044350
oct1126103120605
9250184551123
1080279806341
1131056948799
1213685665319
1377550b22b7
143c57db3297
15214cd3e446
hex12b10ca185

80279806341 has 16 divisors (see below), whose sum is σ = 122766484608. Its totient is φ = 45710918400.

The previous prime is 80279806289. The next prime is 80279806391. The reversal of 80279806341 is 14360897208.

It is not a de Polignac number, because 80279806341 - 213 = 80279798149 is a prime.

It is a super-2 number, since 2×802798063412 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80279806391) 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, 6796320 + ... + 6808121.

It is an arithmetic number, because the mean of its divisors is an integer number (7672905288).

Almost surely, 280279806341 is an apocalyptic number.

It is an amenable number.

80279806341 is a deficient number, since it is larger than the sum of its proper divisors (42486678267).

80279806341 is a wasteful number, since it uses less digits than its factorization.

80279806341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13604732.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 80279806341 in words is "eighty billion, two hundred seventy-nine million, eight hundred six thousand, three hundred forty-one".

Divisors: 1 3 7 21 281 843 1967 5901 13604441 40813323 95231087 285693261 3822847921 11468543763 26759935447 80279806341