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30502071936 = 273372296211
BaseRepresentation
bin11100011010000100…
…001010111010000000
32220201202000210121000
4130122010022322000
5444432012300221
622002405132000
72126604222300
oct343204127200
986652023530
1030502071936
1111a32696116
125ab30ba000
132b513c429b
141694dbd600
15bd7c50e26
hex71a10ae80

30502071936 has 384 divisors, whose sum is σ = 108349704000. Its totient is φ = 8413009920.

The previous prime is 30502071931. The next prime is 30502071967. The reversal of 30502071936 is 63917020503.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a self number, because there is not a number n which added to its sum of digits gives 30502071936.

It is not an unprimeable number, because it can be changed into a prime (30502071931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4907871 + ... + 4914081.

Almost surely, 230502071936 is an apocalyptic number.

30502071936 is a gapful number since it is divisible by the number (36) 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 30502071936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54174852000).

30502071936 is an abundant number, since it is smaller than the sum of its proper divisors (77847632064).

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

30502071936 is a wasteful number, since it uses less digits than its factorization.

30502071936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6277 (or 6252 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The spelling of 30502071936 in words is "thirty billion, five hundred two million, seventy-one thousand, nine hundred thirty-six".