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12143103131144 = 231917947057023
BaseRepresentation
bin1011000010110100100101…
…0110010011111000001000
31120222212110201212101012202
42300231021112103320020
53042423033400144034
641454244202455332
72362211262400256
oct260551126237010
946885421771182
1012143103131144
113961952169337
1214414b8804548
136a1122134b4b
142dda2d3bb5d6
15160d0b2a847e
hexb0b49593e08

12143103131144 has 16 divisors (see below), whose sum is σ = 22887524229120. Its totient is φ = 6039763336720.

The previous prime is 12143103131063. The next prime is 12143103131177. The reversal of 12143103131144 is 44113130134121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3973526984 + ... + 3973530039.

It is an arithmetic number, because the mean of its divisors is an integer number (1430470264320).

Almost surely, 212143103131144 is an apocalyptic number.

It is an amenable number.

12143103131144 is a deficient number, since it is larger than the sum of its proper divisors (10744421097976).

12143103131144 is a wasteful number, since it uses less digits than its factorization.

12143103131144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947057220 (or 7947057216 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 12143103131144 its reverse (44113130134121), we get a palindrome (56256233265265).

The spelling of 12143103131144 in words is "twelve trillion, one hundred forty-three billion, one hundred three million, one hundred thirty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 191 382 764 1528 7947057023 15894114046 31788228092 63576456184 1517887891393 3035775782786 6071551565572 12143103131144