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120311010000 = 2432543174217
BaseRepresentation
bin111000000001100011…
…0000101001011010000
3102111112200101120000100
41300003012011023100
53432344104310000
6131134202252400
711456263466046
oct1600306051320
9374480346010
10120311010000
1147029479585
121b397ab7100
13b46476b65c
145b74784396
1531e243ba00
hex1c031852d0

120311010000 has 300 divisors, whose sum is σ = 422172339732. Its totient is φ = 31974144000.

The previous prime is 120311009977. The next prime is 120311010011. The reversal of 120311010000 is 10113021.

It can be written as a sum of positive squares in 10 ways, for example, as 97471337616 + 22839672384 = 312204^2 + 151128^2 .

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 28527892 + ... + 28532108.

Almost surely, 2120311010000 is an apocalyptic number.

120311010000 is a gapful number since it is divisible by the number (10) 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 120311010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211086169866).

120311010000 is an abundant number, since it is smaller than the sum of its proper divisors (301861329732).

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

120311010000 is a wasteful number, since it uses less digits than its factorization.

120311010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568 (or 4544 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 120311010000 its reverse (10113021), we get a palindrome (120321123021).

The spelling of 120311010000 in words is "one hundred twenty billion, three hundred eleven million, ten thousand".