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12103104213423 = 3219671056393839
BaseRepresentation
bin1011000000011111100100…
…1110100011000110101111
31120212001020010211211022200
42300013321032203012233
53041244124134312143
641424031143112543
72356264130244636
oct260077116430657
946761203754280
1012103104213423
11394699688a443
1214357b5142753
1369a4193710b2
142dbb1701251d
1515ec699371d3
hexb01f93a31af

12103104213423 has 24 divisors (see below), whose sum is σ = 18677043091200. Its totient is φ = 7529975277264.

The previous prime is 12103104213413. The next prime is 12103104213427. The reversal of 12103104213423 is 32431240130121.

12103104213423 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 310 + 4 + 2 + 1 + 342 + 3 = 666.

It is not a de Polignac number, because 12103104213423 - 216 = 12103104147887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103104213427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 528185463 + ... + 528208376.

It is an arithmetic number, because the mean of its divisors is an integer number (778210128800).

Almost surely, 212103104213423 is an apocalyptic number.

12103104213423 is a deficient number, since it is larger than the sum of its proper divisors (6573938877777).

12103104213423 is a wasteful number, since it uses less digits than its factorization.

12103104213423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056393931 (or 1056393928 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 12103104213423 its reverse (32431240130121), we get a palindrome (44534344343544).

The spelling of 12103104213423 in words is "twelve trillion, one hundred three billion, one hundred four million, two hundred thirteen thousand, four hundred twenty-three".

Divisors: 1 3 9 19 57 67 171 201 603 1273 3819 11457 1056393839 3169181517 9507544551 20071482941 60214448823 70778387213 180643346469 212335161639 637005484917 1344789357047 4034368071141 12103104213423