Search a number
-
+
242440000030 = 25613319771229
BaseRepresentation
bin1110000111001010001…
…1001101001000011110
3212011210001122001210101
43201302203031020132
512433004120000110
6303213030331314
723341613666344
oct3416243151036
9764701561711
10242440000030
1193900072398
123aba07b9b3a
1319b28a53c27
14ba3c761994
15648e28413a
hex38728cd21e

242440000030 has 64 divisors (see below), whose sum is σ = 445703705280. Its totient is φ = 94923417600.

The previous prime is 242440000003. The next prime is 242440000039. The reversal of 242440000030 is 30000044242.

It is a super-2 number, since 2×2424400000302 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242439999962 and 242440000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242440000039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197265456 + ... + 197266684.

It is an arithmetic number, because the mean of its divisors is an integer number (6964120395).

Almost surely, 2242440000030 is an apocalyptic number.

242440000030 is a deficient number, since it is larger than the sum of its proper divisors (203263705250).

242440000030 is a wasteful number, since it uses less digits than its factorization.

242440000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 242440000030 its reverse (30000044242), we get a palindrome (272440044272).

The spelling of 242440000030 in words is "two hundred forty-two billion, four hundred forty million, thirty", and thus it is an aban number.

Divisors: 1 2 5 10 61 122 305 331 610 662 977 1229 1655 1954 2458 3310 4885 6145 9770 12290 20191 40382 59597 74969 100955 119194 149938 201910 297985 323387 374845 406799 595970 646774 749690 813598 1200733 1616935 2033995 2401466 3233870 4067990 6003665 12007330 19726607 24814739 39453214 49629478 73244713 98633035 124073695 146489426 197266070 248147390 366223565 397442623 732447130 794885246 1987213115 3974426230 24244000003 48488000006 121220000015 242440000030