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64055664521051 = 7792113478271913
BaseRepresentation
bin11101001000010000111110…
…01000010010111101011011
322101210122212101200212121012
432210020133020102331123
531343442000104133201
6344122433244204135
716330604036525120
oct1644103710227533
9271718771625535
1064055664521051
1119456944770285
12722650053964b
132998566b41b38
1411b644c808747
1576137c86e5bb
hex3a421f212f5b

64055664521051 has 64 divisors (see below), whose sum is σ = 74828553338880. Its totient is φ = 53704315042560.

The previous prime is 64055664521047. The next prime is 64055664521059. The reversal of 64055664521051 is 15012546655046.

64055664521051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64055664521051 - 22 = 64055664521047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64055664521059) 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 63 ways as a sum of consecutive naturals, for example, 33484402871 + ... + 33484404783.

It is an arithmetic number, because the mean of its divisors is an integer number (1169196145920).

Almost surely, 264055664521051 is an apocalyptic number.

64055664521051 is a deficient number, since it is larger than the sum of its proper divisors (10772888817829).

64055664521051 is a wasteful number, since it uses less digits than its factorization.

64055664521051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384.

The product of its (nonzero) digits is 4320000, while the sum is 50.

The spelling of 64055664521051 in words is "sixty-four trillion, fifty-five billion, six hundred sixty-four million, five hundred twenty-one thousand, fifty-one".

Divisors: 1 7 79 211 347 553 827 1477 1913 2429 5789 13391 16669 27413 65333 73217 116683 151127 174497 191891 286969 403643 457331 512519 663811 1057889 1221479 1582051 2008783 2825501 4646677 5784143 11074357 13785263 22670551 31887797 40489001 52441069 60550459 96496841 124982029 140064121 158693857 223214579 333812761 367087483 423853213 548971697 874874203 980448847 2336689327 3842801879 4783486261 11065065559 26371208119 33484403827 43368764063 77455458913 115833028067 184598456833 303581348441 810831196469 9150809217293 64055664521051