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13243400310 = 2357136746133
BaseRepresentation
bin11000101010101111…
…00100000001110110
31021011221210102220210
430111113210001312
5204110302302220
610030044010250
7646120021350
oct142527440166
937157712823
1013243400310
115686610738
122697230986
13133094345a
148d8c080d0
155279d06e0
hex3155e4076

13243400310 has 64 divisors (see below), whose sum is σ = 36352115712. Its totient is φ = 3024782976.

The previous prime is 13243400309. The next prime is 13243400321. The reversal of 13243400310 is 1300434231.

It is a super-2 number, since 2×132434003102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 264004 + ... + 310136.

It is an arithmetic number, because the mean of its divisors is an integer number (568001808).

Almost surely, 213243400310 is an apocalyptic number.

13243400310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13243400310 is an abundant number, since it is smaller than the sum of its proper divisors (23108715402).

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

13243400310 is a wasteful number, since it uses less digits than its factorization.

13243400310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47517.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13243400310 its reverse (1300434231), we get a palindrome (14543834541).

The spelling of 13243400310 in words is "thirteen billion, two hundred forty-three million, four hundred thousand, three hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1367 2734 4101 6835 8202 9569 13670 19138 20505 28707 41010 46133 47845 57414 92266 95690 138399 143535 230665 276798 287070 322931 461330 645862 691995 968793 1383990 1614655 1937586 3229310 4843965 9687930 63063811 126127622 189191433 315319055 378382866 441446677 630638110 882893354 945957165 1324340031 1891914330 2207233385 2648680062 4414466770 6621700155 13243400310