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231241120000 = 285411375367
BaseRepresentation
bin1101011101011100001…
…0110111100100000000
3211002212120222000102221
43113113002313210000
512242040211320000
6254121455420424
722464241042342
oct3272702674400
9732776860387
10231241120000
118a083647040
1238996224714
1318a62874cb7
14b2992c1292
15603600c61a
hex35d70b7900

231241120000 has 720 divisors, whose sum is σ = 668250741312. Its totient is φ = 79073280000.

The previous prime is 231241119961. The next prime is 231241120001. The reversal of 231241120000 is 21142132.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231241120001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3451359967 + ... + 3451360033.

Almost surely, 2231241120000 is an apocalyptic number.

231241120000 is a gapful number since it is divisible by the number (20) 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 231241120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334125370656).

231241120000 is an abundant number, since it is smaller than the sum of its proper divisors (437009621312).

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

231241120000 is an equidigital number, since it uses as much as digits as its factorization.

231241120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 231241120000 its reverse (21142132), we get a palindrome (231262262132).

The spelling of 231241120000 in words is "two hundred thirty-one billion, two hundred forty-one million, one hundred twenty thousand".