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12050053645 = 5717197223461
BaseRepresentation
bin10110011100011110…
…10011101000001101
31011002210022011001011
423032033103220031
5144134303204040
65311414245221
7604416523510
oct131617235015
934083264034
1012050053645
115123a39723
122403656811
1311a063b476
1482452ad77
154a7d5b3ea
hex2ce3d3a0d

12050053645 has 64 divisors (see below), whose sum is σ = 17703899136. Its totient is φ = 7685959680.

The previous prime is 12050053619. The next prime is 12050053657. The reversal of 12050053645 is 54635005021.

It is not a de Polignac number, because 12050053645 - 233 = 3460119053 is a prime.

It is a super-3 number, since 3×120500536453 (a number of 31 digits) contains 333 as substring.

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, 26138715 + ... + 26139175.

It is an arithmetic number, because the mean of its divisors is an integer number (276623424).

Almost surely, 212050053645 is an apocalyptic number.

It is an amenable number.

12050053645 is a deficient number, since it is larger than the sum of its proper divisors (5653845491).

12050053645 is a wasteful number, since it uses less digits than its factorization.

12050053645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 12050053645 its reverse (54635005021), we get a palindrome (66685058666).

The spelling of 12050053645 in words is "twelve billion, fifty million, fifty-three thousand, six hundred forty-five".

Divisors: 1 5 7 17 35 85 119 197 223 461 595 985 1115 1379 1561 2305 3227 3349 3791 6895 7805 7837 16135 16745 18955 23443 26537 39185 43931 54859 90817 102803 117215 132685 219655 274295 307517 454085 514015 635719 719621 746827 1537585 1543889 1747651 3178595 3598105 3734135 5227789 7719445 8738255 10807223 12233557 20252191 26138945 54036115 61167785 101260955 141765337 344287247 708826685 1721436235 2410010729 12050053645