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12700427812397 = 138314978997007
BaseRepresentation
bin1011100011010000110001…
…1111001111111000101101
31122222011000122120121210222
42320310030133033320231
53131040434004444042
643002255044541125
72450401304125343
oct270641437177055
948864018517728
1012700427812397
114057248445266
1215115176b17a5
13711850688450
1431c9bda47993
151705798322d2
hexb8d0c7cfe2d

12700427812397 has 16 divisors (see below), whose sum is σ = 13935072211200. Its totient is φ = 11504491977792.

The previous prime is 12700427812393. The next prime is 12700427812447. The reversal of 12700427812397 is 79321872400721.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12700427812397 - 22 = 12700427812393 is a prime.

It is a super-2 number, since 2×127004278123972 (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 (12700427812393) 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, 39337733 + ... + 39659274.

It is an arithmetic number, because the mean of its divisors is an integer number (870942013200).

Almost surely, 212700427812397 is an apocalyptic number.

It is an amenable number.

12700427812397 is a deficient number, since it is larger than the sum of its proper divisors (1234644398803).

12700427812397 is a wasteful number, since it uses less digits than its factorization.

12700427812397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78997252.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 12700427812397 in words is "twelve trillion, seven hundred billion, four hundred twenty-seven million, eight hundred twelve thousand, three hundred ninety-seven".

Divisors: 1 13 83 149 1079 1937 12367 160771 78997007 1026961091 6556751581 11770554043 85237770553 153017202559 976955985569 12700427812397