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12061542715383 = 3724310917506147
BaseRepresentation
bin1010111110000100101111…
…1110000000111111110111
31120201001221122112222012110
42233201023332000333313
53040104014413343013
641352555104022103
72353263162322500
oct257411376007767
946631848488173
1012061542715383
1139302a9467857
121429736301933
136965249467c5
142d9ad32d3ba7
1515db35d092c3
hexaf84bf80ff7

12061542715383 has 48 divisors (see below), whose sum is σ = 19318384440960. Its totient is φ = 6670261773504.

The previous prime is 12061542715337. The next prime is 12061542715447. The reversal of 12061542715383 is 38351724516021.

It is not a de Polignac number, because 12061542715383 - 222 = 12061538521079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12061542715583) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8064085 + ... + 9442062.

It is an arithmetic number, because the mean of its divisors is an integer number (402466342520).

Almost surely, 212061542715383 is an apocalyptic number.

12061542715383 is a deficient number, since it is larger than the sum of its proper divisors (7256841725577).

12061542715383 is a wasteful number, since it uses less digits than its factorization.

12061542715383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17506316 (or 17506309 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 12061542715383 in words is "twelve trillion, sixty-one billion, five hundred forty-two million, seven hundred fifteen thousand, three hundred eighty-three".

Divisors: 1 3 7 21 43 49 109 129 147 301 327 763 903 2107 2289 4687 5341 6321 14061 16023 32809 98427 229663 688989 17506147 52518441 122543029 367629087 752764321 857801203 1908170023 2258292963 2573403609 5269350247 5724510069 13357190161 15808050741 36885451729 40071570483 82051310989 93500331127 110656355187 246153932967 280500993381 574359176923 1723077530769 4020514238461 12061542715383