Search a number
-
+
245312522405500 = 225311101441606701
BaseRepresentation
bin110111110001110001000101…
…110000011100011001111100
31012011120122111110201100000111
4313301301011300130121330
5224123200021213434000
62225423003402035404
7102446146663635034
oct6761610560343174
91164518443640014
10245312522405500
1171189502682830
122361b2634a8b64
13a6b5b43bac3a4
144481291b508c4
151d5621d1edcba
hexdf1c45c1c67c

245312522405500 has 96 divisors (see below), whose sum is σ = 590255050746816. Its totient is φ = 88321340000000.

The previous prime is 245312522405453. The next prime is 245312522405507. The reversal of 245312522405500 is 5504225213542.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245312522405507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220247851 + ... + 221358850.

It is an arithmetic number, because the mean of its divisors is an integer number (6148490111946).

Almost surely, 2245312522405500 is an apocalyptic number.

245312522405500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245312522405500 is an abundant number, since it is smaller than the sum of its proper divisors (344942528341316).

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

245312522405500 is a wasteful number, since it uses less digits than its factorization.

245312522405500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441606832 (or 441606820 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 245312522405500 in words is "two hundred forty-five trillion, three hundred twelve billion, five hundred twenty-two million, four hundred five thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 101 110 125 202 220 250 275 404 500 505 550 1010 1100 1111 1375 2020 2222 2525 2750 4444 5050 5500 5555 10100 11110 12625 22220 25250 27775 50500 55550 111100 138875 277750 555500 441606701 883213402 1766426804 2208033505 4416067010 4857673711 8832134020 9715347422 11040167525 19430694844 22080335050 24288368555 44160670100 44602276801 48576737110 55200837625 89204553602 97153474220 110401675250 121441842775 178409107204 220803350500 223011384005 242883685550 446022768010 485767371100 490625044811 607209213875 892045536020 981250089622 1115056920025 1214418427750 1962500179244 2230113840050 2428836855500 2453125224055 4460227680100 4906250448110 5575284600125 9812500896220 11150569200250 12265626120275 22301138400500 24531252240550 49062504481100 61328130601375 122656261202750 245312522405500