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2231230122000 = 2432531111268839
BaseRepresentation
bin100000011101111111101…
…011011100100000010000
321220022012021010002222200
4200131333223130200100
5243024024402401000
64425002445003200
7320125651053315
oct40357753344020
97808167102880
102231230122000
11790294265970
12300516553500
13132533a58479
1479dc650ad0c
153d08d066500
hex2077fadc810

2231230122000 has 240 divisors, whose sum is σ = 8501393197440. Its totient is φ = 540904224000.

The previous prime is 2231230121987. The next prime is 2231230122001. The reversal of 2231230122000 is 2210321322.

2231230122000 is a `hidden beast` number, since 2 + 231 + 230 + 1 + 2 + 200 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-3 number, since 3×22312301220003 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2231230122001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5436420 + ... + 5832419.

It is an arithmetic number, because the mean of its divisors is an integer number (35422471656).

Almost surely, 22231230122000 is an apocalyptic number.

2231230122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231230122000 is an abundant number, since it is smaller than the sum of its proper divisors (6270163075440).

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

2231230122000 is a wasteful number, since it uses less digits than its factorization.

2231230122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11268879 (or 11268860 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2231230122000 its reverse (2210321322), we get a palindrome (2233440443322).

The spelling of 2231230122000 in words is "two trillion, two hundred thirty-one billion, two hundred thirty million, one hundred twenty-two thousand".