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244560909961 = 149233192
BaseRepresentation
bin1110001111000011110…
…1110101011010001001
3212101020212111110021001
43203300331311122021
513001330043104321
6304203313015001
723445306302254
oct3436075653211
9771225443231
10244560909961
1194799292415
123b492b54461
131a0a6283414
14bba02d209b
15656557bc91
hex38f0f75689

244560909961 has 9 divisors (see below), whose sum is σ = 246287479431. Its totient is φ = 242846370984.

The previous prime is 244560909953. The next prime is 244560909991. The reversal of 244560909961 is 169909065442.

The square root of 244560909961 is 494531.

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., 28651994361 + 215908915600 = 169269^2 + 464660^2 .

It is not a de Polignac number, because 244560909961 - 23 = 244560909953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244560909991) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 73683460 + ... + 73686778.

Almost surely, 2244560909961 is an apocalyptic number.

244560909961 is the 494531-st square number.

244560909961 is the 247266-th centered octagonal number.

It is an amenable number.

244560909961 is a deficient number, since it is larger than the sum of its proper divisors (1726569470).

244560909961 is an frugal number, since it uses more digits than its factorization.

244560909961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936 (or 3468 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 244560909961 in words is "two hundred forty-four billion, five hundred sixty million, nine hundred nine thousand, nine hundred sixty-one".

Divisors: 1 149 3319 22201 494531 11015761 73685119 1641348389 244560909961