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12740143746767 = 73975107352301
BaseRepresentation
bin1011100101100100101110…
…1111100000111011001111
31200002221112112010010112012
42321121023233200323033
53132213303244344032
643032424035131435
72453305432033433
oct271311357407317
950087475103465
1012740143746767
114072079012618
121519160443b7b
1371550c92b928
143208aa5cc9c3
151716014066b2
hexb964bbe0ecf

12740143746767 has 16 divisors (see below), whose sum is σ = 13050399083232. Its totient is φ = 12433608345600.

The previous prime is 12740143746761. The next prime is 12740143746829. The reversal of 12740143746767 is 76764734104721.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12740143746767 - 26 = 12740143746703 is a prime.

It is a super-2 number, since 2×127401437467672 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740143746761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35986517 + ... + 36338817.

It is an arithmetic number, because the mean of its divisors is an integer number (815649942702).

Almost surely, 212740143746767 is an apocalyptic number.

12740143746767 is a deficient number, since it is larger than the sum of its proper divisors (310255336465).

12740143746767 is an equidigital number, since it uses as much as digits as its factorization.

12740143746767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357578.

The product of its (nonzero) digits is 33191424, while the sum is 59.

The spelling of 12740143746767 in words is "twelve trillion, seven hundred forty billion, one hundred forty-three million, seven hundred forty-six thousand, seven hundred sixty-seven".

Divisors: 1 73 97 5107 7081 352301 372811 495379 25717973 34173197 36162667 1799201207 2494643381 131341688111 174522517079 12740143746767