Search a number
-
+
430431441440 = 2557112134159101
BaseRepresentation
bin1100100001101111011…
…01101001001000100000
31112011000111200202202112
412100313231221020200
524023010422111230
6525423143334452
743045330612430
oct6206755511040
91464014622675
10430431441440
111565aa366800
126b506751428
1331788202b20
1416b93a382c0
15b2e3346d95
hex6437b69220

430431441440 has 1152 divisors, whose sum is σ = 1447312043520. Its totient is φ = 117596160000.

The previous prime is 430431441383. The next prime is 430431441449. The reversal of 430431441440 is 44144134034.

It is a super-2 number, since 2×4304314414402 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 430431441397 and 430431441406.

It is not an unprimeable number, because it can be changed into a prime (430431441449) by changing a digit.

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 191 ways as a sum of consecutive naturals, for example, 4261697390 + ... + 4261697490.

It is an arithmetic number, because the mean of its divisors is an integer number (1256347260).

Almost surely, 2430431441440 is an apocalyptic number.

430431441440 is a gapful number since it is divisible by the number (40) 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 430431441440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723656021760).

430431441440 is an abundant number, since it is smaller than the sum of its proper divisors (1016880602080).

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

430431441440 is a wasteful number, since it uses less digits than its factorization.

430431441440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 430431441440 its reverse (44144134034), we get a palindrome (474575575474).

The spelling of 430431441440 in words is "four hundred thirty billion, four hundred thirty-one million, four hundred forty-one thousand, four hundred forty".