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8231413320 = 23335131959523
BaseRepresentation
bin1111010101010000…
…10110011001001000
3210020122212010022000
413222220112121020
5113324220211240
63440443431000
7410660600364
oct75250263110
923218763260
108231413320
113544466729
121718825460
13a12478790
145813062a4
153329ac430
hex1eaa16648

8231413320 has 512 divisors, whose sum is σ = 31691520000. Its totient is φ = 1883409408.

The previous prime is 8231413319. The next prime is 8231413327. The reversal of 8231413320 is 233141328.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (8231413327) 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, 15738579 + ... + 15739101.

It is an arithmetic number, because the mean of its divisors is an integer number (61897500).

Almost surely, 28231413320 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 8231413320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15845760000).

8231413320 is an abundant number, since it is smaller than the sum of its proper divisors (23460106680).

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

8231413320 is a wasteful number, since it uses less digits than its factorization.

8231413320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 8231413320 is about 90727.1366240553. The cubic root of 8231413320 is about 2019.1014302286.

Adding to 8231413320 its reverse (233141328), we get a palindrome (8464554648).

The spelling of 8231413320 in words is "eight billion, two hundred thirty-one million, four hundred thirteen thousand, three hundred twenty".