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223879956480 = 211345318707
BaseRepresentation
bin1101000010000001001…
…0010000100000000000
3210101212120122011110000
43100200102100200000
512132001232101410
6250503220240000
722113645142245
oct3204022204000
9711776564400
10223879956480
1186a46442a24
1237480b40000
131815b7a783b
14ab9b7cd5cc
155c54b51dc0
hex3420490800

223879956480 has 480 divisors, whose sum is σ = 828435928320. Its totient is φ = 57768837120.

The previous prime is 223879956467. The next prime is 223879956499. The reversal of 223879956480 is 84659978322.

223879956480 is a `hidden beast` number, since 2 + 2 + 38 + 79 + 9 + 56 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-3 number, since 3×2238799564803 (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25708287 + ... + 25716993.

It is an arithmetic number, because the mean of its divisors is an integer number (1725908184).

Almost surely, 2223879956480 is an apocalyptic number.

223879956480 is a gapful number since it is divisible by the number (20) 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 223879956480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414217964160).

223879956480 is an abundant number, since it is smaller than the sum of its proper divisors (604555971840).

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

223879956480 is an equidigital number, since it uses as much as digits as its factorization.

223879956480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8777 (or 8748 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 223879956480 in words is "two hundred twenty-three billion, eight hundred seventy-nine million, nine hundred fifty-six thousand, four hundred eighty".