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12013981036935 = 3531671264730491
BaseRepresentation
bin1010111011010011100100…
…0100100111000110000111
31120112112011222212100221020
42232310321010213012013
53033314113121140220
641315051404122223
72346660435611103
oct256647104470607
946475158770836
1012013981036935
113912112100889
121420481b36373
13691bb50bc2c7
142d76a075a903
1515c7a055a040
hexaed39127187

12013981036935 has 64 divisors (see below), whose sum is σ = 20140854902784. Its totient is φ = 6107532393600.

The previous prime is 12013981036921. The next prime is 12013981037029. The reversal of 12013981036935 is 53963018931021.

12013981036935 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12013981036935 - 212 = 12013981032839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 394002040 + ... + 394032530.

It is an arithmetic number, because the mean of its divisors is an integer number (314700857856).

Almost surely, 212013981036935 is an apocalyptic number.

12013981036935 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12013981036935 is a deficient number, since it is larger than the sum of its proper divisors (8126873865849).

12013981036935 is a wasteful number, since it uses less digits than its factorization.

12013981036935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43244.

The product of its (nonzero) digits is 1049760, while the sum is 51.

Adding to 12013981036935 its reverse (53963018931021), we get a palindrome (65976999967956).

The spelling of 12013981036935 in words is "twelve trillion, thirteen billion, nine hundred eighty-one million, thirty-six thousand, nine hundred thirty-five".

Divisors: 1 3 5 15 31 67 93 155 201 335 465 1005 2077 6231 10385 12647 30491 31155 37941 63235 91473 152455 189705 392057 457365 847349 945221 1176171 1960285 2042897 2542047 2835663 4236745 4726105 5880855 6128691 10214485 12710235 14178315 26267819 30643455 63329807 78803457 131339095 189989421 316649035 385619677 394017285 949947105 1156859031 1928098385 5784295155 11954209987 25836518359 35862629961 59771049935 77509555077 129182591795 179313149805 387547775385 800932069129 2402796207387 4004660345645 12013981036935