Search a number
-
+
128450117962 = 23531030317659
BaseRepresentation
bin111011110100000111…
…0010100000101001010
3110021112220120002011101
41313220032110011022
54101031212233322
6135001551452014
712165053662555
oct1675016240512
9407486502141
10128450117962
114a525819891
1220a8982700a
13c160a68a7a
1463076dd69c
15351bc64327
hex1de839414a

128450117962 has 16 divisors (see below), whose sum is σ = 193250695680. Its totient is φ = 64033276032.

The previous prime is 128450117953. The next prime is 128450118011. The reversal of 128450117962 is 269711054821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7265089 + ... + 7282747.

It is an arithmetic number, because the mean of its divisors is an integer number (12078168480).

Almost surely, 2128450117962 is an apocalyptic number.

128450117962 is a deficient number, since it is larger than the sum of its proper divisors (64800577718).

128450117962 is a wasteful number, since it uses less digits than its factorization.

128450117962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28317.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 128450117962 in words is "one hundred twenty-eight billion, four hundred fifty million, one hundred seventeen thousand, nine hundred sixty-two".

Divisors: 1 2 353 706 10303 17659 20606 35318 3636959 6233627 7273918 12467254 181940677 363881354 64225058981 128450117962