Search a number
128008071063 = 334741039669
BaseRepresentation
bin111011100110111100…
…0000010011110010111
3110020102002202202211000
41313031320002132113
54044130031233223
6134450041114343
712151105436235
oct1671570023627
9406362682730
10128008071063
114a319245474
12209857889b3
13c0c02c5062
1462a4b11955
1534e3047543
hex1dcde02797

128008071063 has 8 divisors (see below), whose sum is σ = 189641586800. Its totient is φ = 85338714024.

The previous prime is 128008071041. The next prime is 128008071101. The reversal of 128008071063 is 360170800821.

Adding to 128008071063 its reverse (360170800821), we get a palindrome (488178871884).

It is not a de Polignac number, because 128008071063 - 26 = 128008070999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128008001063) 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, 2370519808 + ... + 2370519861.

It is an arithmetic number, because the mean of its divisors is an integer number (23705198350).

Almost surely, 2128008071063 is an apocalyptic number.

128008071063 is a deficient number, since it is larger than the sum of its proper divisors (61633515737).

128008071063 is an equidigital number, since it uses as much as digits as its factorization.

128008071063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741039678 (or 4741039672 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 128008071063 in words is "one hundred twenty-eight billion, eight million, seventy-one thousand, sixty-three".