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243145033414140 = 22351113193146832031
BaseRepresentation
bin110111010010001110011101…
…010110000111010111111100
31011212220102211102210011020010
4313102032131112013113330
5223332142012023223030
62221043141502423220
7102133435410330504
oct6722163526072774
91155812742704203
10243145033414140
1170523258647830
122332b177891b10
13a58962a9a6090
1444083d4d02a04
151d19b610786b0
hexdd239d5875fc

243145033414140 has 192 divisors, whose sum is σ = 803972330606592. Its totient is φ = 54128159539200.

The previous prime is 243145033414093. The next prime is 243145033414237. The reversal of 243145033414140 is 41414330541342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 71760076 + ... + 75071955.

It is an arithmetic number, because the mean of its divisors is an integer number (4187355888576).

Almost surely, 2243145033414140 is an apocalyptic number.

243145033414140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243145033414140 is an abundant number, since it is smaller than the sum of its proper divisors (560827297192452).

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

243145033414140 is a wasteful number, since it uses less digits than its factorization.

243145033414140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146832260 (or 146832258 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 243145033414140 its reverse (41414330541342), we get a palindrome (284559363955482).

The spelling of 243145033414140 in words is "two hundred forty-three trillion, one hundred forty-five billion, thirty-three million, four hundred fourteen thousand, one hundred forty".