Search a number
-
+
30113030232 = 233319233141251
BaseRepresentation
bin11100000010111000…
…000110000001011000
32212201121222102201000
4130002320012001120
5443132413431412
621500030425000
72114141351025
oct340270060130
985647872630
1030113030232
111185302534a
125a04962160
132abb91b7ac
14165946c54c
15bb3a044dc
hex702e06058

30113030232 has 512 divisors, whose sum is σ = 97542144000. Its totient is φ = 8553600000.

The previous prime is 30113030231. The next prime is 30113030261. The reversal of 30113030232 is 23203031103.

30113030232 is a `hidden beast` number, since 301 + 1 + 30 + 302 + 32 = 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 (30113030231) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 119972107 + ... + 119972357.

It is an arithmetic number, because the mean of its divisors is an integer number (190512000).

Almost surely, 230113030232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30113030232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48771072000).

30113030232 is an abundant number, since it is smaller than the sum of its proper divisors (67429113768).

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

30113030232 is a wasteful number, since it uses less digits than its factorization.

30113030232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30113030232 its reverse (23203031103), we get a palindrome (53316061335).

The spelling of 30113030232 in words is "thirty billion, one hundred thirteen million, thirty thousand, two hundred thirty-two".