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2123112310000 = 24541123382837
BaseRepresentation
bin11110111001010011010…
…110101110010011110000
321111222010100101012011021
4132321103112232103300
5234241113222410000
64303202213025224
7306250462605403
oct36712326562360
97458110335137
102123112310000
11749452605530
122a3582025214
13125293496896
1474a8b2b5d3a
153a36130e11a
hex1ee535ae4f0

2123112310000 has 200 divisors, whose sum is σ = 5631699016944. Its totient is φ = 768718080000.

The previous prime is 2123112309991. The next prime is 2123112310009. The reversal of 2123112310000 is 132113212.

It is an interprime number because it is at equal distance from previous prime (2123112309991) and next prime (2123112310009).

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×21231123100002 (a number of 25 digits) contains 22 as substring.

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 (2123112310009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25588582 + ... + 25671418.

Almost surely, 22123112310000 is an apocalyptic number.

2123112310000 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 2123112310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2815849508472).

2123112310000 is an abundant number, since it is smaller than the sum of its proper divisors (3508586706944).

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

2123112310000 is a wasteful number, since it uses less digits than its factorization.

2123112310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83109 (or 83088 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2123112310000 its reverse (132113212), we get a palindrome (2123244423212).

The spelling of 2123112310000 in words is "two trillion, one hundred twenty-three billion, one hundred twelve million, three hundred ten thousand".