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12766730313 = 323712605987
BaseRepresentation
bin10111110001111010…
…01101100001001001
31012221201212002121110
423320331031201021
5202121240332223
65510455200533
7631241263041
oct137075154111
935851762543
1012766730313
115461539497
122583676149
131285c693bc
148917a6721
154eac24d93
hex2f8f4d849

12766730313 has 16 divisors (see below), whose sum is σ = 18012589056. Its totient is φ = 8026436880.

The previous prime is 12766730309. The next prime is 12766730323. The reversal of 12766730313 is 31303766721.

It is a happy number.

It is not a de Polignac number, because 12766730313 - 22 = 12766730309 is a prime.

It is a super-3 number, since 3×127667303133 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12766730323) 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, 1298095 + ... + 1307892.

It is an arithmetic number, because the mean of its divisors is an integer number (1125786816).

Almost surely, 212766730313 is an apocalyptic number.

It is an amenable number.

12766730313 is a deficient number, since it is larger than the sum of its proper divisors (5245858743).

12766730313 is a wasteful number, since it uses less digits than its factorization.

12766730313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606084.

The product of its (nonzero) digits is 95256, while the sum is 39.

The spelling of 12766730313 in words is "twelve billion, seven hundred sixty-six million, seven hundred thirty thousand, three hundred thirteen".

Divisors: 1 3 23 69 71 213 1633 4899 2605987 7817961 59937701 179813103 185025077 555075231 4255576771 12766730313