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12312103003541 = 11191311317734127
BaseRepresentation
bin1011001100101010001010…
…0001101010010110010101
31121121000200121221102011222
42303022202201222112111
53103210141332103131
642104034012340125
72410343250533435
oct263124241522625
947530617842158
1012312103003541
113a17596195870
12146a202474645
136b4045b08943
14307ca22b22c5
151653ecde987b
hexb32a286a595

12312103003541 has 32 divisors (see below), whose sum is σ = 14247724677120. Its totient is φ = 10521673718400.

The previous prime is 12312103003511. The next prime is 12312103003549. The reversal of 12312103003541 is 14530030121321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12312103003541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12312103003541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312103003549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360756020 + ... + 360790146.

It is an arithmetic number, because the mean of its divisors is an integer number (445241396160).

Almost surely, 212312103003541 is an apocalyptic number.

12312103003541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12312103003541 is a deficient number, since it is larger than the sum of its proper divisors (1935621673579).

12312103003541 is a wasteful number, since it uses less digits than its factorization.

12312103003541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47465.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 12312103003541 its reverse (14530030121321), we get a palindrome (26842133124862).

The spelling of 12312103003541 in words is "twelve trillion, three hundred twelve billion, one hundred three million, three thousand, five hundred forty-one".

Divisors: 1 11 19 131 209 1441 2489 13177 27379 34127 144947 250363 375397 648413 1726187 2753993 4470637 7132543 18988057 32797553 49177007 84942103 360773083 449691479 934363133 4946606269 8544138101 58909583749 93985519111 648005421239 1119282091231 12312103003541