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54445244512 = 2523611212697
BaseRepresentation
bin110010101101001100…
…001000000001100000
312012112101022222201111
4302231030020001200
51343000440311022
641002314313104
73635126641201
oct625514100140
9165471288644
1054445244512
11210a9a1504a
12a675728794
1351989b4719
1428c6c655a8
151639c69477
hexcad308060

54445244512 has 48 divisors (see below), whose sum is σ = 113683161312. Its totient is φ = 25612139520.

The previous prime is 54445244507. The next prime is 54445244563. The reversal of 54445244512 is 21544254445.

It is a super-2 number, since 2×544452445122 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561453 + ... + 651244.

It is an arithmetic number, because the mean of its divisors is an integer number (2368399194).

Almost surely, 254445244512 is an apocalyptic number.

It is an amenable number.

54445244512 is an abundant number, since it is smaller than the sum of its proper divisors (59237916800).

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

54445244512 is a wasteful number, since it uses less digits than its factorization.

54445244512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212791 (or 1212783 counting only the distinct ones).

The product of its digits is 512000, while the sum is 40.

Adding to 54445244512 its reverse (21544254445), we get a palindrome (75989498957).

The spelling of 54445244512 in words is "fifty-four billion, four hundred forty-five million, two hundred forty-four thousand, five hundred twelve".

Divisors: 1 2 4 8 16 23 32 46 61 92 122 184 244 368 488 736 976 1403 1952 2806 5612 11224 22448 44896 1212697 2425394 4850788 9701576 19403152 27892031 38806304 55784062 73974517 111568124 147949034 223136248 295898068 446272496 591796136 892544992 1183592272 1701413891 2367184544 3402827782 6805655564 13611311128 27222622256 54445244512