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220740354838580 = 22522214969391149
BaseRepresentation
bin110010001100001100011110…
…011100000001000000110100
31001221120120102212100011111012
4302030030132130001000310
5212413102221314313310
62101250415153131352
764331651525542523
oct6214143634010064
91057516385304435
10220740354838580
1164375505687545
1220910b62259b58
139622959450755
143c71c669204ba
151a7be6ac06c05
hexc8c31e701034

220740354838580 has 24 divisors (see below), whose sum is σ = 463763459682600. Its totient is φ = 88256386788480.

The previous prime is 220740354838573. The next prime is 220740354838639. The reversal of 220740354838580 is 85838453047022.

It can be written as a sum of positive squares in 4 ways, for example, as 98757563283856 + 121982791554724 = 9937684^2 + 11044582^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2484651155 + ... + 2484739994.

It is an arithmetic number, because the mean of its divisors is an integer number (19323477486775).

Almost surely, 2220740354838580 is an apocalyptic number.

220740354838580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220740354838580 is an abundant number, since it is smaller than the sum of its proper divisors (243023104844020).

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

220740354838580 is a wasteful number, since it uses less digits than its factorization.

220740354838580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4969393379 (or 4969393377 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 59.

The spelling of 220740354838580 in words is "two hundred twenty trillion, seven hundred forty billion, three hundred fifty-four million, eight hundred thirty-eight thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 2221 4442 8884 11105 22210 44420 4969391149 9938782298 19877564596 24846955745 49693911490 99387822980 11037017741929 22074035483858 44148070967716 55185088709645 110370177419290 220740354838580