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6143252280 = 23351125971101
BaseRepresentation
bin1011011100010101…
…01001011100111000
3120212010121112212020
411232022221130320
5100040133033110
62453331114440
7305143532334
oct55612513470
916763545766
106143252280
112672784400
121235442a20
1376b974529
14423c5c7c4
1525e4d2d70
hex16e2a9738

6143252280 has 384 divisors, whose sum is σ = 21097843200. Its totient is φ = 1429120000.

The previous prime is 6143252279. The next prime is 6143252281. The reversal of 6143252280 is 822523416.

It is an interprime number because it is at equal distance from previous prime (6143252279) and next prime (6143252281).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6143252281) 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 95 ways as a sum of consecutive naturals, for example, 60824230 + ... + 60824330.

It is an arithmetic number, because the mean of its divisors is an integer number (54942300).

Almost surely, 26143252280 is an apocalyptic number.

6143252280 is a gapful number since it is divisible by the number (60) 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 6143252280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10548921600).

6143252280 is an abundant number, since it is smaller than the sum of its proper divisors (14954590920).

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

6143252280 is a wasteful number, since it uses less digits than its factorization.

6143252280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 6143252280 is about 78378.9020081297. The cubic root of 6143252280 is about 1831.4684859623.

Adding to 6143252280 its reverse (822523416), we get a palindrome (6965775696).

It can be divided in two parts, 614325 and 2280, that added together give a triangular number (616605 = T1110).

The spelling of 6143252280 in words is "six billion, one hundred forty-three million, two hundred fifty-two thousand, two hundred eighty".