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30240130230 = 232517101195691
BaseRepresentation
bin11100001010011100…
…111100010010110110
32220001111010210010100
4130022130330102312
5443412433131410
621520410534530
72120243602662
oct341234742266
986044123110
1030240130230
1111908846472
125a3b437446
132b0c0602ab
14166c2b58a2
15bbec5d8c0
hex70a73c4b6

30240130230 has 96 divisors (see below), whose sum is σ = 84073979808. Its totient is φ = 7514496000.

The previous prime is 30240130223. The next prime is 30240130231. The reversal of 30240130230 is 3203104203.

30240130230 is a `hidden beast` number, since 3 + 0 + 2 + 401 + 30 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30240130231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56685 + ... + 252375.

It is an arithmetic number, because the mean of its divisors is an integer number (875770623).

Almost surely, 230240130230 is an apocalyptic number.

30240130230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30240130230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42036989904).

30240130230 is an abundant number, since it is smaller than the sum of its proper divisors (53833849578).

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

30240130230 is a wasteful number, since it uses less digits than its factorization.

30240130230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195822 (or 195819 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30240130230 its reverse (3203104203), we get a palindrome (33443234433).

The spelling of 30240130230 in words is "thirty billion, two hundred forty million, one hundred thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 101 102 153 170 202 255 303 306 505 510 606 765 909 1010 1515 1530 1717 1818 3030 3434 4545 5151 8585 9090 10302 15453 17170 25755 30906 51510 77265 154530 195691 391382 587073 978455 1174146 1761219 1956910 2935365 3326747 3522438 5870730 6653494 8806095 9980241 16633735 17612190 19764791 19960482 29940723 33267470 39529582 49901205 59294373 59881446 98823955 99802410 118588746 149703615 177883119 197647910 296471865 299407230 336001447 355766238 592943730 672002894 889415595 1008004341 1680007235 1778831190 2016008682 3024013023 3360014470 5040021705 6048026046 10080043410 15120065115 30240130230