Search a number
-
+
844018134074 = 2157173121312809
BaseRepresentation
bin11000100100000110110…
…01101010110000111010
32222200120002000122012122
430102003121222300322
5102312022120242244
61443423033441242
7114656361524303
oct14220331526072
92880502018178
10844018134074
112a5a452623a5
121176abb70222
136178a62c65b
142cbca4477aa
1516e4c9321ee
hexc48366ac3a

844018134074 has 32 divisors (see below), whose sum is σ = 1282612317840. Its totient is φ = 416521078272.

The previous prime is 844018134067. The next prime is 844018134097. The reversal of 844018134074 is 470431810448.

It can be written as a sum of positive squares in 8 ways, for example, as 218009617225 + 626008516849 = 466915^2 + 791207^2 .

It is a super-2 number, since 2×8440181340742 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65886182 + ... + 65898990.

Almost surely, 2844018134074 is an apocalyptic number.

844018134074 is a deficient number, since it is larger than the sum of its proper divisors (438594183766).

844018134074 is a wasteful number, since it uses less digits than its factorization.

844018134074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14354.

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 844018134074 in words is "eight hundred forty-four billion, eighteen million, one hundred thirty-four thousand, seventy-four".

Divisors: 1 2 157 173 314 346 1213 2426 12809 25618 27161 54322 190441 209849 380882 419698 2011013 2215957 4022026 4431914 15537317 31074634 32946293 65892586 347905249 695810498 2439358769 2687955841 4878717538 5375911682 422009067037 844018134074