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231032423140400 = 245271392692206723
BaseRepresentation
bin110100100001111101101101…
…100000110100110000110000
31010022000111001210121102122102
4310201331231200310300300
5220240213400310443100
62135210455135355532
766443353550634140
oct6441755540646060
91108014053542572
10231032423140400
11676833339505a2
1221ab376b082ba8
139bbb35808a32b
14410a0595c6920
151ba9a3bd00cd5
hexd21f6d834c30

231032423140400 has 240 divisors, whose sum is σ = 641288117433600. Its totient is φ = 78348870190080.

The previous prime is 231032423140397. The next prime is 231032423140417. The reversal of 231032423140400 is 4041324230132.

It is a super-2 number, since 2×2310324231404002 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103591439 + ... + 105798161.

It is an arithmetic number, because the mean of its divisors is an integer number (2672033822640).

Almost surely, 2231032423140400 is an apocalyptic number.

231032423140400 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 231032423140400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320644058716800).

231032423140400 is an abundant number, since it is smaller than the sum of its proper divisors (410255694293200).

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

231032423140400 is a wasteful number, since it uses less digits than its factorization.

231032423140400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207156 (or 2207145 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 231032423140400 its reverse (4041324230132), we get a palindrome (235073747370532).

The spelling of 231032423140400 in words is "two hundred thirty-one trillion, thirty-two billion, four hundred twenty-three million, one hundred forty thousand, four hundred".