Search a number
-
+
243320345241 = 3127816345887
BaseRepresentation
bin1110001010011100000…
…1011101001010011001
3212021001102011020101120
43202213001131022121
512441310002021431
6303440235235453
723402463544431
oct3424701351231
9767042136346
10243320345241
1194211a9a816
123b1a75a8b89
1319c3925835c
14bac36432c1
1564e16cc196
hex38a705d299

243320345241 has 8 divisors (see below), whose sum is σ = 324452561664. Its totient is φ = 162200846160.

The previous prime is 243320345179. The next prime is 243320345249. The reversal of 243320345241 is 142543023342.

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

It is not a de Polignac number, because 243320345241 - 213 = 243320337049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243320345249) 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, 3134601 + ... + 3211286.

It is an arithmetic number, because the mean of its divisors is an integer number (40556570208).

Almost surely, 2243320345241 is an apocalyptic number.

It is an amenable number.

243320345241 is a deficient number, since it is larger than the sum of its proper divisors (81132216423).

243320345241 is a wasteful number, since it uses less digits than its factorization.

243320345241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358671.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 243320345241 its reverse (142543023342), we get a palindrome (385863368583).

The spelling of 243320345241 in words is "two hundred forty-three billion, three hundred twenty million, three hundred forty-five thousand, two hundred forty-one".

Divisors: 1 3 12781 38343 6345887 19037661 81106781747 243320345241