Search a number
-
+
242040656443 = 10121739110237
BaseRepresentation
bin1110000101101010111…
…1110101001000111011
3212010202020012022101011
43201122233311020323
512431144402001233
6303105243134351
723325664430335
oct3413257651073
9763666168334
10242040656443
1193715705673
123aaaab143b7
1319a940b2351
14ba016cc455
1564691a00cd
hex385abf523b

242040656443 has 8 divisors (see below), whose sum is σ = 244450560240. Its totient is φ = 239631016800.

The previous prime is 242040656411. The next prime is 242040656471. The reversal of 242040656443 is 344656040242.

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 242040656443 - 25 = 242040656411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242040656396 and 242040656405.

It is not an unprimeable number, because it can be changed into a prime (242040656743) 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, 2140521 + ... + 2250757.

It is an arithmetic number, because the mean of its divisors is an integer number (30556320030).

Almost surely, 2242040656443 is an apocalyptic number.

242040656443 is a deficient number, since it is larger than the sum of its proper divisors (2409903797).

242040656443 is a wasteful number, since it uses less digits than its factorization.

242040656443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132077.

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 242040656443 its reverse (344656040242), we get a palindrome (586696696685).

The spelling of 242040656443 in words is "two hundred forty-two billion, forty million, six hundred fifty-six thousand, four hundred forty-three".

Divisors: 1 101 21739 110237 2195639 11133937 2396442143 242040656443