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65052928854421 = 1947449162244153
BaseRepresentation
bin11101100101010010100001…
…01101110100100110010101
322112022222222110111000221221
432302221100231310212111
532011311344241320141
6350204523012010341
716462630135511524
oct1662512055644625
9275288873430857
1065052928854421
1119800879459362
12736783a3009b1
132a3b607416911
14120c8157b64bb
1577c298d57bd1
hex3b2a50b74995

65052928854421 has 16 divisors (see below), whose sum is σ = 70089474528000. Its totient is φ = 60183494719488.

The previous prime is 65052928854367. The next prime is 65052928854493. The reversal of 65052928854421 is 12445882925056.

It is a happy number.

65052928854421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 65052928854421 - 27 = 65052928854293 is a prime.

It is a super-2 number, since 2×650529288544212 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65052928854421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65052928884421) by changing a digit.

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, 80721120 + ... + 81523033.

It is an arithmetic number, because the mean of its divisors is an integer number (4380592158000).

Almost surely, 265052928854421 is an apocalyptic number.

It is an amenable number.

65052928854421 is a deficient number, since it is larger than the sum of its proper divisors (5036545673579).

65052928854421 is a wasteful number, since it uses less digits than its factorization.

65052928854421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162244668.

The product of its (nonzero) digits is 55296000, while the sum is 61.

The spelling of 65052928854421 in words is "sixty-five trillion, fifty-two billion, nine hundred twenty-eight million, eight hundred fifty-four thousand, four hundred twenty-one".

Divisors: 1 19 47 449 893 8531 21103 400957 162244153 3082638907 7625475191 72847624697 144884028629 1384104869243 3423838360759 65052928854421