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64960252851296 = 25111951131899659
BaseRepresentation
bin11101100010100101111001…
…10010111011010001100000
322112000010202201020021122202
432301102330302323101200
532003302044212220141
6350054154515352332
716453136423465555
oct1661227462732140
9275003681207582
1064960252851296
1119775541251540
1273518952b26a8
132a3295809064a
141208143330a2c
15779b72ad649b
hex3b14bccbb460

64960252851296 has 96 divisors (see below), whose sum is σ = 146888701948800. Its totient is φ = 27967828884480.

The previous prime is 64960252851289. The next prime is 64960252851341. The reversal of 64960252851296 is 69215825206946.

64960252851296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33245915 + ... + 35145573.

It is an arithmetic number, because the mean of its divisors is an integer number (1530090645300).

Almost surely, 264960252851296 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 64960252851296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73444350974400).

64960252851296 is an abundant number, since it is smaller than the sum of its proper divisors (81928449097504).

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

64960252851296 is a wasteful number, since it uses less digits than its factorization.

64960252851296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904812 (or 1904804 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 65.

The spelling of 64960252851296 in words is "sixty-four trillion, nine hundred sixty billion, two hundred fifty-two million, eight hundred fifty-one thousand, two hundred ninety-six".

Divisors: 1 2 4 8 11 16 19 22 32 38 44 76 88 152 176 209 304 352 418 608 836 1672 3344 5113 6688 10226 20452 40904 56243 81808 97147 112486 163616 194294 224972 388588 449944 777176 899888 1068617 1554352 1799776 1899659 2137234 3108704 3799318 4274468 7598636 8548936 15197272 17097872 20896249 30394544 34195744 36093521 41792498 60789088 72187042 83584996 144374084 167169992 288748168 334339984 397028731 577496336 668679968 794057462 1154992672 1588114924 3176229848 6352459696 9712956467 12704919392 19425912934 38851825868 77703651736 106842521137 155407303472 184546172873 213685042274 310814606944 369092345746 427370084548 738184691492 854740169096 1476369382984 1709480338192 2030007901603 2952738765968 3418960676384 4060015803206 5905477531936 8120031606412 16240063212824 32480126425648 64960252851296