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230311012212120 = 233574671367429487
BaseRepresentation
bin110100010111011101110110…
…000100100001110110011000
31010012110111222102200011220210
4310113131312010201312120
5220141403423111241440
62133455230211451120
766340264404134160
oct6427356604416630
91105414872604823
10230311012212120
116742539621a654
12219b7997bb6aa0
139b68309b3ba78
1440c31808815a0
151b95db81c9a80
hexd17776121d98

230311012212120 has 256 divisors, whose sum is σ = 791909352898560. Its totient is φ = 52491242921472.

The previous prime is 230311012212101. The next prime is 230311012212131. The reversal of 230311012212120 is 21212210113032.

230311012212120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 536032017 + ... + 536461503.

It is an arithmetic number, because the mean of its divisors is an integer number (3093395909760).

Almost surely, 2230311012212120 is an apocalyptic number.

230311012212120 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 230311012212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395954676449280).

230311012212120 is an abundant number, since it is smaller than the sum of its proper divisors (561598340686440).

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

230311012212120 is a wasteful number, since it uses less digits than its factorization.

230311012212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431342 (or 431338 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 230311012212120 its reverse (21212210113032), we get a palindrome (251523222325152).

The spelling of 230311012212120 in words is "two hundred thirty trillion, three hundred eleven billion, twelve million, two hundred twelve thousand, one hundred twenty".