Search a number
-
+
79909060406 = 2731434281913
BaseRepresentation
bin100101001101011110…
…0110111111100110110
321122020222222212022212
41022122330313330312
52302123204413111
6100413144253422
75526135543410
oct1123274677466
9248228885285
1079909060406
113098664389a
12135a1471272
1376c63442c6
143c20a659b0
15212a50898b
hex129af37f36

79909060406 has 32 divisors (see below), whose sum is σ = 144694437888. Its totient is φ = 32371254720.

The previous prime is 79909060403. The next prime is 79909060411. The reversal of 79909060406 is 60406090997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79909060403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2122295 + ... + 2159618.

It is an arithmetic number, because the mean of its divisors is an integer number (4521701184).

Almost surely, 279909060406 is an apocalyptic number.

79909060406 is a deficient number, since it is larger than the sum of its proper divisors (64785377482).

79909060406 is a wasteful number, since it uses less digits than its factorization.

79909060406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281996.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 79909060406 in words is "seventy-nine billion, nine hundred nine million, sixty thousand, four hundred six".

Divisors: 1 2 7 14 31 43 62 86 217 301 434 602 1333 2666 9331 18662 4281913 8563826 29973391 59946782 132739303 184122259 265478606 368244518 929175121 1288855813 1858350242 2577711626 5707790029 11415580058 39954530203 79909060406