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8128232106 = 237917148169
BaseRepresentation
bin1111001000111101…
…01111101010101010
3202222110200222021120
413210132233222222
5113121311411411
63422320120110
7405265555461
oct74436575252
922873628246
108128232106
1134a11a20a5
1216aa166036
139c6c8ccc7
145717279d8
153288ca106
hex1e47afaaa

8128232106 has 16 divisors (see below), whose sum is σ = 16462243200. Its totient is φ = 2675114208.

The previous prime is 8128232093. The next prime is 8128232107. The reversal of 8128232106 is 6012328218.

It is not an unprimeable number, because it can be changed into a prime (8128232107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8573611 + ... + 8574558.

It is an arithmetic number, because the mean of its divisors is an integer number (1028890200).

Almost surely, 28128232106 is an apocalyptic number.

8128232106 is an abundant number, since it is smaller than the sum of its proper divisors (8334011094).

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

8128232106 is a wasteful number, since it uses less digits than its factorization.

8128232106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17148253.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 8128232106 is about 90156.7086022998. The cubic root of 8128232106 is about 2010.6294165058.

The spelling of 8128232106 in words is "eight billion, one hundred twenty-eight million, two hundred thirty-two thousand, one hundred six".

Divisors: 1 2 3 6 79 158 237 474 17148169 34296338 51444507 102889014 1354705351 2709410702 4064116053 8128232106