Search a number
-
+
30152265080 = 23571921991499
BaseRepresentation
bin11100000101001101…
…110000110101111000
32212211100210202210112
4130011031300311320
5443222434440310
621503551403452
72115126011240
oct340515606570
985740722715
1030152265080
1111873193043
125a15b23588
132ac6aa7c92
141660762b20
15bb71a4705
hex705370d78

30152265080 has 192 divisors, whose sum is σ = 82296000000. Its totient is φ = 9738102528.

The previous prime is 30152265043. The next prime is 30152265089. The reversal of 30152265080 is 8056225103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30152265089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20114171 + ... + 20115669.

It is an arithmetic number, because the mean of its divisors is an integer number (428625000).

Almost surely, 230152265080 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 30152265080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41148000000).

30152265080 is an abundant number, since it is smaller than the sum of its proper divisors (52143734920).

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

30152265080 is a wasteful number, since it uses less digits than its factorization.

30152265080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 30152265080 in words is "thirty billion, one hundred fifty-two million, two hundred sixty-five thousand, eighty".