Search a number
-
+
30089273280 = 2635112259033
BaseRepresentation
bin11100000001011101…
…011101111111000000
32212122222021110021220
4130001131131333000
5443110323221110
621453421315040
72113432413543
oct340135357700
985588243256
1030089273280
1111840679400
1259b8a05a80
132ab6a21321
14165624685a
15bb18b0370
hex70175dfc0

30089273280 has 168 divisors, whose sum is σ = 105008239056. Its totient is φ = 7294341120.

The previous prime is 30089273243. The next prime is 30089273309. The reversal of 30089273280 is 8237298003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13357 + ... + 245676.

It is an arithmetic number, because the mean of its divisors is an integer number (625049042).

Almost surely, 230089273280 is an apocalyptic number.

30089273280 is a gapful number since it is divisible by the number (30) 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 30089273280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52504119528).

30089273280 is an abundant number, since it is smaller than the sum of its proper divisors (74918965776).

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

30089273280 is a wasteful number, since it uses less digits than its factorization.

30089273280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259075 (or 259054 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 30089273280 in words is "thirty billion, eighty-nine million, two hundred seventy-three thousand, two hundred eighty".