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130423124040 = 233511892514423
BaseRepresentation
bin111100101110111010…
…0101111000001001000
3110110122102010011200120
41321131310233001020
54114101304432130
6135525432103240
712265002156066
oct1713564570110
9413572104616
10130423124040
11503484a9520
122133a534b20
13c3b67514a1
14645376d036
1535d5093910
hex1e5dd2f048

130423124040 has 256 divisors, whose sum is σ = 433452902400. Its totient is φ = 31130880000.

The previous prime is 130423124023. The next prime is 130423124057. The reversal of 130423124040 is 40421324031.

It is an interprime number because it is at equal distance from previous prime (130423124023) and next prime (130423124057).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 130423124040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29485269 + ... + 29489691.

It is an arithmetic number, because the mean of its divisors is an integer number (1693175400).

Almost surely, 2130423124040 is an apocalyptic number.

130423124040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130423124040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216726451200).

130423124040 is an abundant number, since it is smaller than the sum of its proper divisors (303029778360).

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

130423124040 is a wasteful number, since it uses less digits than its factorization.

130423124040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788 (or 4784 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 130423124040 its reverse (40421324031), we get a palindrome (170844448071).

Subtracting from 130423124040 its reverse (40421324031), we obtain a square (90001800009 = 3000032).

The spelling of 130423124040 in words is "one hundred thirty billion, four hundred twenty-three million, one hundred twenty-four thousand, forty".