Search a number
-
+
243053151349 = 17121711747941
BaseRepresentation
bin1110001001011100011…
…0001100010001110101
3212020100210101101021111
43202113012030101311
512440233101320344
6303353532315021
723363040461461
oct3422706142165
9766323341244
10243053151349
1194095193018
123b132012a71
1319bc5aa5868
14ba99d6d4a1
1564c7eed834
hex389718c475

243053151349 has 8 divisors (see below), whose sum is σ = 257561880408. Its totient is φ = 228567920640.

The previous prime is 243053151323. The next prime is 243053151359. The reversal of 243053151349 is 943151350342.

It can be written as a sum of positive squares in 4 ways, for example, as 33236936100 + 209816215249 = 182310^2 + 458057^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243053151349 - 225 = 243019596917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243053151359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5853282 + ... + 5894659.

It is an arithmetic number, because the mean of its divisors is an integer number (32195235051).

Almost surely, 2243053151349 is an apocalyptic number.

It is an amenable number.

243053151349 is a deficient number, since it is larger than the sum of its proper divisors (14508729059).

243053151349 is a wasteful number, since it uses less digits than its factorization.

243053151349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11749175.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 243053151349 in words is "two hundred forty-three billion, fifty-three million, one hundred fifty-one thousand, three hundred forty-nine".

Divisors: 1 17 1217 20689 11747941 199714997 14297244197 243053151349