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243483130770916 = 2278019732
BaseRepresentation
bin110111010111001001010101…
…100001001011010111100100
31011221002202112000121102122011
4313113021111201023113210
5223403211422434132131
62221502334530244004
7102200034650415151
oct6727112541132744
91157082460542564
10243483130770916
1170643685801053
12233847b3a26604
13a5b248c63953a
14441a909a5b228
151d2384d18d0b1
hexdd725584b5e4

243483130770916 has 9 divisors (see below), whose sum is σ = 426095533462921. Its totient is φ = 121741549781512.

The previous prime is 243483130770911. The next prime is 243483130770959. The reversal of 243483130770916 is 619077031384342.

The square root of 243483130770916 is 15603946.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18846104264100 + 224637026506816 = 4341210^2 + 14987896^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243483130770911) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 27306906 + ... + 35108878.

Almost surely, 2243483130770916 is an apocalyptic number.

243483130770916 is the 15603946-th square number.

It is an amenable number.

243483130770916 is a deficient number, since it is larger than the sum of its proper divisors (182612402692005).

243483130770916 is an frugal number, since it uses more digits than its factorization.

243483130770916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15603950 (or 7801975 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 243483130770916 in words is "two hundred forty-three trillion, four hundred eighty-three billion, one hundred thirty million, seven hundred seventy thousand, nine hundred sixteen".

Divisors: 1 2 4 7801973 15603946 31207892 60870782692729 121741565385458 243483130770916