Search a number
-
+
64143411310 = 251123211120157
BaseRepresentation
bin111011101111001111…
…101100100001101110
320010120021010220112101
4323233033230201232
52022331203130220
645244515525314
74430351000026
oct735717544156
9203507126471
1064143411310
1125226313330
12105215b983a
136082cb1864
143166c98a86
151a063a530a
hexeef3ec86e

64143411310 has 64 divisors (see below), whose sum is σ = 132054603264. Its totient is φ = 22204828800.

The previous prime is 64143411259. The next prime is 64143411341. The reversal of 64143411310 is 1311434146.

It is a super-2 number, since 2×641434113102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 473752 + ... + 593908.

It is an arithmetic number, because the mean of its divisors is an integer number (2063353176).

Almost surely, 264143411310 is an apocalyptic number.

64143411310 is an abundant number, since it is smaller than the sum of its proper divisors (67911191954).

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

64143411310 is a wasteful number, since it uses less digits than its factorization.

64143411310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120409.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 64143411310 its reverse (1311434146), we get a palindrome (65454845456).

The spelling of 64143411310 in words is "sixty-four billion, one hundred forty-three million, four hundred eleven thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 211 230 253 422 506 1055 1265 2110 2321 2530 4642 4853 9706 11605 23210 24265 48530 53383 106766 120157 240314 266915 533830 600785 1201570 1321727 2643454 2763611 5527222 6608635 13217270 13818055 25353127 27636110 30399721 50706254 60799442 126765635 151998605 253531270 278884397 303997210 557768794 583121921 1166243842 1394421985 2788843970 2915609605 5831219210 6414341131 12828682262 32071705655 64143411310