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12701310321544 = 231329394460297
BaseRepresentation
bin1011100011010100000100…
…0101110000001110001000
31122222020022011011201202221
42320311001011300032020
53131044240420242134
643002522412103424
72450432211255325
oct270650105601610
948866264151687
1012701310321544
114057660610469
121511723164b74
13711961469800
1431ca64d2db4c
151705cc0565b4
hexb8d41170388

12701310321544 has 24 divisors (see below), whose sum is σ = 25787793518010. Its totient is φ = 5862143224704.

The previous prime is 12701310321467. The next prime is 12701310321547. The reversal of 12701310321544 is 44512301310721.

It can be written as a sum of positive squares in 3 ways, for example, as 6740202516100 + 5961107805444 = 2596190^2 + 2441538^2 .

It is a super-2 number, since 2×127013103215442 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12701310321547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4697228797 + ... + 4697231500.

Almost surely, 212701310321544 is an apocalyptic number.

It is an amenable number.

12701310321544 is an abundant number, since it is smaller than the sum of its proper divisors (13086483196466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12701310321544 is a wasteful number, since it uses less digits than its factorization.

12701310321544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9394460329 (or 9394460312 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 12701310321544 in words is "twelve trillion, seven hundred one billion, three hundred ten million, three hundred twenty-one thousand, five hundred forty-four".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 9394460297 18788920594 37577841188 75155682376 122127983861 244255967722 488511935444 977023870888 1587663790193 3175327580386 6350655160772 12701310321544