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120321000030 = 2357112101173271
BaseRepresentation
bin111000000001110110…
…0001100001001011110
3102111120101012002202110
41300003230030021132
53432404134000110
6131135200334450
711456444424360
oct1600354141136
9374511162673
10120321000030
1147034082200
121b39b314426
13b46685880a
145b75c24d30
1531e3261a20
hex1c03b0c25e

120321000030 has 384 divisors, whose sum is σ = 369821749248. Its totient is φ = 24520320000.

The previous prime is 120320999983. The next prime is 120321000091. The reversal of 120321000030 is 30000123021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 443988795 + ... + 443989065.

It is an arithmetic number, because the mean of its divisors is an integer number (963077472).

Almost surely, 2120321000030 is an apocalyptic number.

120321000030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120321000030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184910874624).

120321000030 is an abundant number, since it is smaller than the sum of its proper divisors (249500749218).

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

120321000030 is a wasteful number, since it uses less digits than its factorization.

120321000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 120321000030 its reverse (30000123021), we get a palindrome (150321123051).

The spelling of 120321000030 in words is "one hundred twenty billion, three hundred twenty-one million, thirty", and thus it is an aban number.