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64228046205 = 35172396831543
BaseRepresentation
bin111011110100010010…
…100011010101111101
320010210011101210210010
4323310102203111331
52023014334434310
645301141533433
74432426246011
oct736422432575
9203704353703
1064228046205
112526a06a824
1210545a14279
1360976a578b
14317420a541
151a0da22320
hexef44a357d

64228046205 has 64 divisors (see below), whose sum is σ = 109496033280. Its totient is φ = 32037282816.

The previous prime is 64228046191. The next prime is 64228046221. The reversal of 64228046205 is 50264082246.

It is not a de Polignac number, because 64228046205 - 223 = 64219657597 is a prime.

It is a super-2 number, since 2×642280462052 (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 63 ways as a sum of consecutive naturals, for example, 41624664 + ... + 41626206.

It is an arithmetic number, because the mean of its divisors is an integer number (1710875520).

Almost surely, 264228046205 is an apocalyptic number.

It is an amenable number.

64228046205 is a deficient number, since it is larger than the sum of its proper divisors (45267987075).

64228046205 is a wasteful number, since it uses less digits than its factorization.

64228046205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490.

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 64228046205 in words is "sixty-four billion, two hundred twenty-eight million, forty-six thousand, two hundred five".

Divisors: 1 3 5 15 17 51 85 239 255 683 717 1195 1543 2049 3415 3585 4063 4629 7715 10245 11611 12189 20315 23145 26231 34833 58055 60945 78693 131155 163237 174165 368777 393465 489711 816185 1053869 1106331 1843885 2448555 2775029 3161607 5269345 5531655 6269209 8325087 13875145 15808035 17915773 18807627 31346045 41625435 53747319 89578865 94038135 251874691 268736595 755624073 1259373455 3778120365 4281869747 12845609241 21409348735 64228046205