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64134550270 = 2576119017901
BaseRepresentation
bin111011101110101101…
…111001001011111110
320010112122110201110201
4323232231321023332
52022321421102040
645244001554114
74430212453060
oct735655711376
9203478421421
1064134550270
112522131095a
121051a64593a
1360811cb53b
143165a2d730
151a05704a9a
hexeeeb792fe

64134550270 has 64 divisors (see below), whose sum is σ = 134184304512. Its totient is φ = 21614400000.

The previous prime is 64134550153. The next prime is 64134550297. The reversal of 64134550270 is 7205543146.

It is a super-2 number, since 2×641345502702 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8113320 + ... + 8121220.

It is an arithmetic number, because the mean of its divisors is an integer number (2096629758).

Almost surely, 264134550270 is an apocalyptic number.

64134550270 is an abundant number, since it is smaller than the sum of its proper divisors (70049754242).

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

64134550270 is a wasteful number, since it uses less digits than its factorization.

64134550270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9877.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 64134550270 in words is "sixty-four billion, one hundred thirty-four million, five hundred fifty thousand, two hundred seventy".

Divisors: 1 2 5 7 10 14 35 61 70 122 305 427 610 854 1901 2135 3802 4270 7901 9505 13307 15802 19010 26614 39505 55307 66535 79010 110614 115961 133070 231922 276535 481961 553070 579805 811727 963922 1159610 1623454 2409805 3373727 4058635 4819610 6747454 8117270 15019801 16868635 30039602 33737270 75099005 105138607 150198010 210277214 525693035 916207861 1051386070 1832415722 4581039305 6413455027 9162078610 12826910054 32067275135 64134550270