Search a number
-
+
128746549374 = 2322993702001
BaseRepresentation
bin111011111100111100…
…1000111000001111110
3110022022120100100121120
41313321321013001332
54102133104034444
6135051221211410
712205313420232
oct1677171070176
9408276310546
10128746549374
114a668086123
1220b50b60b66
13c1aa2b7481
146334c245c2
153537cbab19
hex1df9e4707e

128746549374 has 16 divisors (see below), whose sum is σ = 258617525520. Its totient is φ = 42728112000.

The previous prime is 128746549367. The next prime is 128746549417. The reversal of 128746549374 is 473945647821.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 46849627 + ... + 46852374.

It is an arithmetic number, because the mean of its divisors is an integer number (16163595345).

Almost surely, 2128746549374 is an apocalyptic number.

128746549374 is an abundant number, since it is smaller than the sum of its proper divisors (129870976146).

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

128746549374 is a wasteful number, since it uses less digits than its factorization.

128746549374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93702235.

The product of its digits is 40642560, while the sum is 60.

The spelling of 128746549374 in words is "one hundred twenty-eight billion, seven hundred forty-six million, five hundred forty-nine thousand, three hundred seventy-four".

Divisors: 1 2 3 6 229 458 687 1374 93702001 187404002 281106003 562212006 21457758229 42915516458 64373274687 128746549374