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12848000247 = 36531911741
BaseRepresentation
bin10111111011100110…
…01110110011110111
31020011101210001000000
423331303032303313
5202303042001442
65522521122343
7633246125445
oct137563166367
936141701000
1012848000247
1154a33a7825
1225a69293b3
131299a52814
1489c4bdb95
15502e29d4c
hex2fdccecf7

12848000247 has 56 divisors (see below), whose sum is σ = 19740734208. Its totient is φ = 8354923200.

The previous prime is 12848000233. The next prime is 12848000299. The reversal of 12848000247 is 74200084821.

It is not a de Polignac number, because 12848000247 - 27 = 12848000119 is a prime.

It is a super-2 number, since 2×128480002472 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12848000227) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 7378797 + ... + 7380537.

Almost surely, 212848000247 is an apocalyptic number.

12848000247 is a deficient number, since it is larger than the sum of its proper divisors (6892733961).

12848000247 is an equidigital number, since it uses as much as digits as its factorization.

12848000247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003 (or 1988 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The spelling of 12848000247 in words is "twelve billion, eight hundred forty-eight million, two hundred forty-seven", and thus it is an aban number.

Divisors: 1 3 9 27 53 81 159 191 243 477 573 729 1431 1719 1741 4293 5157 5223 10123 12879 15471 15669 30369 38637 46413 47007 91107 92273 139239 141021 273321 276819 332531 423063 819963 830457 997593 1269189 2459889 2491371 2992779 7379667 7474113 8978337 17624143 22422339 26935011 52872429 67267017 80805033 158617287 242415099 475851861 1427555583 4282666749 12848000247