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12617051624884 = 2275372714338161
BaseRepresentation
bin1011011110011010001011…
…1000010101010110110100
31122200011211000120110020001
42313212202320111112310
53123204210203444014
642500105443521044
72441360205204430
oct267464270252664
948604730513201
1012617051624884
114024952797573
1214b9329089184
13706a23c47355
1431895073d9c0
1516d2e9c61974
hexb79a2e155b4

12617051624884 has 96 divisors (see below), whose sum is σ = 25766706341376. Its totient is φ = 5293639802880.

The previous prime is 12617051624869. The next prime is 12617051624887. The reversal of 12617051624884 is 48842615071621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12617051624887) 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 31 ways as a sum of consecutive naturals, for example, 1546013764 + ... + 1546021924.

It is an arithmetic number, because the mean of its divisors is an integer number (268403191056).

Almost surely, 212617051624884 is an apocalyptic number.

12617051624884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12617051624884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12883353170688).

12617051624884 is an abundant number, since it is smaller than the sum of its proper divisors (13149654716492).

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

12617051624884 is a wasteful number, since it uses less digits than its factorization.

12617051624884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10385 (or 10383 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 12617051624884 in words is "twelve trillion, six hundred seventeen billion, fifty-one million, six hundred twenty-four thousand, eight hundred eighty-four".

Divisors: 1 2 4 7 14 28 53 106 212 371 727 742 1433 1454 1484 2866 2908 5089 5732 8161 10031 10178 16322 20062 20356 32644 38531 40124 57127 75949 77062 114254 151898 154124 228508 269717 303796 432533 531643 539434 865066 1041791 1063286 1078868 1730132 2083582 2126572 3027731 4167164 5933047 6055462 7292537 11694713 11866094 12110924 14585074 23389426 23732188 29170148 41531329 46778852 55214923 81862991 83062658 110429846 163725982 166125316 220859692 314451491 327451964 386504461 619819789 628902982 773008922 1239639578 1257805964 1546017844 2201160437 2479279156 4338738523 4402320874 8502056351 8677477046 8804641748 17004112702 17354954092 34008225404 59514394457 119028788914 238057577828 450608986603 901217973206 1802435946412 3154262906221 6308525812442 12617051624884