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83990130120 = 233351343139121
BaseRepresentation
bin100111000111000110…
…0111010110111001000
322000210102020200112000
41032032030322313020
52334002433130440
6102330131551000
76032232220011
oct1161614726710
9260712220460
1083990130120
1132690269986
121434015b460
137bc69abc60
1440caa80008
1522b8944730
hex138e33adc8

83990130120 has 256 divisors, whose sum is σ = 308516947200. Its totient is φ = 20193546240.

The previous prime is 83990130073. The next prime is 83990130131. The reversal of 83990130120 is 2103109938.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 534160 + ... + 673280.

It is an arithmetic number, because the mean of its divisors is an integer number (1205144325).

Almost surely, 283990130120 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 83990130120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154258473600).

83990130120 is an abundant number, since it is smaller than the sum of its proper divisors (224526817080).

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

83990130120 is a wasteful number, since it uses less digits than its factorization.

83990130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139197 (or 139187 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 83990130120 in words is "eighty-three billion, nine hundred ninety million, one hundred thirty thousand, one hundred twenty".