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230120030430 = 23551077611163
BaseRepresentation
bin1101011001010000111…
…0010000000011011110
3210222222110102202200000
43112110032100003132
512232241211433210
6253414330515130
722424405661543
oct3262416200336
9728873382600
10230120030430
1189658837934
1238722895aa6
131891451bca4
14b1d0452bca
155ebc8acac0
hex35943900de

230120030430 has 192 divisors, whose sum is σ = 627632748288. Its totient is φ = 60659746560.

The previous prime is 230120030423. The next prime is 230120030509. The reversal of 230120030430 is 34030021032.

230120030430 is a `hidden beast` number, since 2 + 3 + 0 + 1 + 200 + 30 + 430 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 197867029 + ... + 197868191.

It is an arithmetic number, because the mean of its divisors is an integer number (3268920564).

Almost surely, 2230120030430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230120030430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313816374144).

230120030430 is an abundant number, since it is smaller than the sum of its proper divisors (397512717858).

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

230120030430 is a wasteful number, since it uses less digits than its factorization.

230120030430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053 (or 2041 counting only the distinct ones).

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

Adding to 230120030430 its reverse (34030021032), we get a palindrome (264150051462).

The spelling of 230120030430 in words is "two hundred thirty billion, one hundred twenty million, thirty thousand, four hundred thirty".