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242440000002 = 23213468888889
BaseRepresentation
bin1110000111001010001…
…1001101001000000010
3212011210001122001202100
43201302203031020002
512433004120000002
6303213030331230
723341613666304
oct3416243151002
9764701561670
10242440000002
1193900072372
123aba07b9b16
1319b28a53c05
14ba3c761974
15648e28411c
hex38728cd202

242440000002 has 12 divisors (see below), whose sum is σ = 525286666710. Its totient is φ = 80813333328.

The previous prime is 242440000001. The next prime is 242440000003. The reversal of 242440000002 is 200000044242.

It is an interprime number because it is at equal distance from previous prime (242440000001) and next prime (242440000003).

It can be written as a sum of positive squares in only one way, i.e., 242072856081 + 367143921 = 492009^2 + 19161^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 13468888889 = 242440000002 / (2 + 4 + 2 + 4 + 4 + 0 + 0 + 0 + 0 + 0 + 0 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 242440000002.

It is not an unprimeable number, because it can be changed into a prime (242440000001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6734444427 + ... + 6734444462.

Almost surely, 2242440000002 is an apocalyptic number.

242440000002 is an abundant number, since it is smaller than the sum of its proper divisors (282846666708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242440000002 is a wasteful number, since it uses less digits than its factorization.

242440000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13468888897 (or 13468888894 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 242440000002 its reverse (200000044242), we get a palindrome (442440044244).

The spelling of 242440000002 in words is "two hundred forty-two billion, four hundred forty million, two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 13468888889 26937777778 40406666667 80813333334 121220000001 242440000002