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1243230144108 = 223103602512009
BaseRepresentation
bin10010000101110110010…
…010101000011001101100
311101211222211211222011220
4102011312102220121230
5130332113404102413
62351044304343340
7155551254602421
oct22056622503154
94354884758156
101243230144108
1143a284007217
12180b43314b50
139030b931534
144425bac9d48
1522515077223
hex121764a866c

1243230144108 has 12 divisors (see below), whose sum is σ = 2900870336280. Its totient is φ = 414410048032.

The previous prime is 1243230144077. The next prime is 1243230144137. The reversal of 1243230144108 is 8014410323421.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51801255993 + ... + 51801256016.

It is an arithmetic number, because the mean of its divisors is an integer number (241739194690).

Almost surely, 21243230144108 is an apocalyptic number.

It is an amenable number.

1243230144108 is an abundant number, since it is smaller than the sum of its proper divisors (1657640192172).

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

1243230144108 is a wasteful number, since it uses less digits than its factorization.

1243230144108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103602512016 (or 103602512014 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 1243230144108 its reverse (8014410323421), we get a palindrome (9257640467529).

The spelling of 1243230144108 in words is "one trillion, two hundred forty-three billion, two hundred thirty million, one hundred forty-four thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 103602512009 207205024018 310807536027 414410048036 621615072054 1243230144108