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12143551052395 = 571553803927791
BaseRepresentation
bin1011000010110110010000…
…0010111111101001101011
31120222220121221201010122201
42300231210002333221223
53042424443032134040
641454400443201031
72362225341561160
oct260554402775153
946886557633581
1012143551052395
113962061a95194
121441602816177
136a1193b845c9
142dda72a98067
15160d35785a9a
hexb0b640bfa6b

12143551052395 has 32 divisors (see below), whose sum is σ = 16667409346560. Its totient is φ = 8320309992960.

The previous prime is 12143551052341. The next prime is 12143551052407. The reversal of 12143551052395 is 59325015534121.

It is a happy number.

It is not a de Polignac number, because 12143551052395 - 215 = 12143551019627 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 436945950 + ... + 436973740.

It is an arithmetic number, because the mean of its divisors is an integer number (520856542080).

Almost surely, 212143551052395 is an apocalyptic number.

12143551052395 is a deficient number, since it is larger than the sum of its proper divisors (4523858294165).

12143551052395 is a wasteful number, since it uses less digits than its factorization.

12143551052395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37395.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 12143551052395 in words is "twelve trillion, one hundred forty-three billion, five hundred fifty-one million, fifty-two thousand, three hundred ninety-five".

Divisors: 1 5 7 35 1553 7765 8039 10871 27791 40195 54355 56273 138955 194537 281365 972685 12484567 43159423 62422835 87391969 215797115 223411849 302115961 436959845 1117059245 1510579805 1563882943 7819414715 346958601497 1734793007485 2428710210479 12143551052395