Search a number
-
+
243115415002 = 21931206379809
BaseRepresentation
bin1110001001101011001…
…1101101010111011010
3212020112010112200221201
43202122303231113122
512440400021240002
6303404035024414
723364424634245
oct3423263552732
9766463480851
10243115415002
119411734a689
123b14aa3b10a
1319c05965c65
14baa433a25c
1564cd6ec087
hex389aced5da

243115415002 has 16 divisors (see below), whose sum is σ = 396249235200. Its totient is φ = 111445096320.

The previous prime is 243115414991. The next prime is 243115415003. The reversal of 243115415002 is 200514511342.

It is not an unprimeable number, because it can be changed into a prime (243115415003) 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, 103188727 + ... + 103191082.

It is an arithmetic number, because the mean of its divisors is an integer number (24765577200).

Almost surely, 2243115415002 is an apocalyptic number.

243115415002 is a deficient number, since it is larger than the sum of its proper divisors (153133820198).

243115415002 is a wasteful number, since it uses less digits than its factorization.

243115415002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206379861.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 243115415002 its reverse (200514511342), we get a palindrome (443629926344).

The spelling of 243115415002 in words is "two hundred forty-three billion, one hundred fifteen million, four hundred fifteen thousand, two".

Divisors: 1 2 19 31 38 62 589 1178 206379809 412759618 3921216371 6397774079 7842432742 12795548158 121557707501 243115415002