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5212621344 = 25379478191
BaseRepresentation
bin1001101101011001…
…00100101000100000
3111110021110121012210
410312230210220200
541133412340334
62221124322120
7243113356530
oct46654445040
914407417183
105212621344
112235430627
121015843340
13650c14938
1437640b4c0
152079555e9
hex136b24a20

5212621344 has 96 divisors (see below), whose sum is σ = 15656288256. Its totient is φ = 1487566080.

The previous prime is 5212621343. The next prime is 5212621363. The reversal of 5212621344 is 4431262125.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (5212621343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632289 + ... + 640479.

It is an arithmetic number, because the mean of its divisors is an integer number (163086336).

Almost surely, 25212621344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5212621344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7828144128).

5212621344 is an abundant number, since it is smaller than the sum of its proper divisors (10443666912).

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

5212621344 is a wasteful number, since it uses less digits than its factorization.

5212621344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9158 (or 9150 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 5212621344 is about 72198.4857458936. The cubic root of 5212621344 is about 1733.8787578744.

Adding to 5212621344 its reverse (4431262125), we get a palindrome (9643883469).

The spelling of 5212621344 in words is "five billion, two hundred twelve million, six hundred twenty-one thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 947 1894 2841 3788 5682 6629 7576 8191 11364 13258 15152 16382 19887 22728 24573 26516 30304 32764 39774 45456 49146 53032 57337 65528 79548 90912 98292 106064 114674 131056 159096 172011 196584 212128 229348 262112 318192 344022 393168 458696 636384 688044 786336 917392 1376088 1834784 2752176 5504352 7756877 15513754 23270631 31027508 46541262 54298139 62055016 93082524 108596278 124110032 162894417 186165048 217192556 248220064 325788834 372330096 434385112 651577668 744660192 868770224 1303155336 1737540448 2606310672 5212621344