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243142012144 = 24487109328549
BaseRepresentation
bin1110001001110001100…
…1001010110011110000
3212020120222120222101001
43202130121022303300
512440423323342034
6303410425051344
723365200001033
oct3423431126360
9766528528331
10243142012144
1194130366499
123b157926b54
1319c0b319105
14baa7aa101a
1564d0c02a14
hex389c64acf0

243142012144 has 40 divisors (see below), whose sum is σ = 472503413600. Its totient is φ = 121206129408.

The previous prime is 243142012129. The next prime is 243142012153. The reversal of 243142012144 is 441210241342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8502382 + ... + 8530930.

It is an arithmetic number, because the mean of its divisors is an integer number (11812585340).

Almost surely, 2243142012144 is an apocalyptic number.

It is an amenable number.

243142012144 is a deficient number, since it is larger than the sum of its proper divisors (229361401456).

243142012144 is a wasteful number, since it uses less digits than its factorization.

243142012144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30137 (or 30131 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 243142012144 its reverse (441210241342), we get a palindrome (684352253486).

The spelling of 243142012144 in words is "two hundred forty-three billion, one hundred forty-two million, twelve thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 487 974 1093 1948 2186 3896 4372 7792 8744 17488 28549 57098 114196 228392 456784 532291 1064582 2129164 4258328 8516656 13903363 27806726 31204057 55613452 62408114 111226904 124816228 222453808 249632456 499264912 15196375759 30392751518 60785503036 121571006072 243142012144