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4485780000 = 2535541371
BaseRepresentation
bin1000010110101111…
…11001001000100000
3102120121210020100000
410023113321020200
533141324430000
62021041500000
7216106333542
oct41327711040
912517706300
104485780000
1119a21189a9
12a52341600
135664681c0
14307a87692
151b3c30000
hex10b5f9220

4485780000 has 720 divisors, whose sum is σ = 18053171136. Its totient is φ = 1088640000.

The previous prime is 4485779983. The next prime is 4485780023. The reversal of 4485780000 is 875844.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 63179965 + ... + 63180035.

Almost surely, 24485780000 is an apocalyptic number.

4485780000 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 4485780000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9026585568).

4485780000 is an abundant number, since it is smaller than the sum of its proper divisors (13567391136).

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

4485780000 is an equidigital number, since it uses as much as digits as its factorization.

4485780000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 4485780000 is about 66975.9658385006. The cubic root of 4485780000 is about 1649.2227744445. Note that the first 3 decimals are identical.

The spelling of 4485780000 in words is "four billion, four hundred eighty-five million, seven hundred eighty thousand".