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8625400000 = 2655761101
BaseRepresentation
bin10000000100001110…
…10010100011000000
3211021010012201102021
420002013102203000
5120131100300000
63543520131224
7423513455530
oct100207224300
924233181367
108625400000
1137268a4758
121808766b14
13a75c92ca9
145bb7834c0
1535738411a
hex2021d28c0

8625400000 has 336 divisors, whose sum is σ = 25096768704. Its totient is φ = 2880000000.

The previous prime is 8625399989. The next prime is 8625400019. The reversal of 8625400000 is 45268.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85399950 + ... + 85400050.

It is an arithmetic number, because the mean of its divisors is an integer number (74692764).

Almost surely, 28625400000 is an apocalyptic number.

8625400000 is a gapful number since it is divisible by the number (80) 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 8625400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12548384352).

8625400000 is an abundant number, since it is smaller than the sum of its proper divisors (16471368704).

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

8625400000 is an equidigital number, since it uses as much as digits as its factorization.

8625400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 8625400000 is about 92873.0316076739. The cubic root of 8625400000 is about 2050.8146672862.

Adding to 8625400000 its reverse (45268), we get a palindrome (8625445268).

The spelling of 8625400000 in words is "eight billion, six hundred twenty-five million, four hundred thousand".