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64144202126335 = 5431032896554623
BaseRepresentation
bin11101001010110101111000…
…11000011101001111111111
322102010010101201211020022021
432211122330120131033333
531401414311221020320
6344231234544301011
716340160060666202
oct1645327430351777
9272103351736267
1064144202126335
11194904489565a1
12723b6ab611767
1329a3a069aa6a6
1411ba84b3d1939
1576381062ddaa
hex3a56bc61d3ff

64144202126335 has 16 divisors (see below), whose sum is σ = 79527803756544. Its totient is φ = 49635360002592.

The previous prime is 64144202126197. The next prime is 64144202126339. The reversal of 64144202126335 is 53362120244146.

It is a cyclic number.

It is not a de Polignac number, because 64144202126335 - 29 = 64144202125823 is a prime.

It is a super-2 number, since 2×641442021263352 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64144202126291 and 64144202126300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64144202126339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1448255167 + ... + 1448299456.

It is an arithmetic number, because the mean of its divisors is an integer number (4970487734784).

Almost surely, 264144202126335 is an apocalyptic number.

64144202126335 is a deficient number, since it is larger than the sum of its proper divisors (15383601630209).

64144202126335 is a wasteful number, since it uses less digits than its factorization.

64144202126335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896554774.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 64144202126335 in words is "sixty-four trillion, one hundred forty-four billion, two hundred two million, one hundred twenty-six thousand, three hundred thirty-five".

Divisors: 1 5 43 103 215 515 4429 22145 2896554623 14482773115 124551848789 298345126169 622759243945 1491725630845 12828840425267 64144202126335