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12641133043 = 721123452937
BaseRepresentation
bin10111100010111100…
…00110000111110011
31012121222112002112201
423301132012013303
5201342112224133
65450211204031
7625154600200
oct136136060763
935558462481
1012641133043
1153a76543a0
1225495a6617
131265c328a6
1487cc30ca7
154debb5d7d
hex2f17861f3

12641133043 has 12 divisors (see below), whose sum is σ = 16041809592. Its totient is φ = 9850233120.

The previous prime is 12641132983. The next prime is 12641133049. The reversal of 12641133043 is 34033114621.

It is a de Polignac number, because none of the positive numbers 2k-12641133043 is a prime.

It is a super-2 number, since 2×126411330432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12641133049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11725930 + ... + 11727007.

It is an arithmetic number, because the mean of its divisors is an integer number (1336817466).

Almost surely, 212641133043 is an apocalyptic number.

12641133043 is a deficient number, since it is larger than the sum of its proper divisors (3400676549).

12641133043 is a wasteful number, since it uses less digits than its factorization.

12641133043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23452962 (or 23452955 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 12641133043 its reverse (34033114621), we get a palindrome (46674247664).

The spelling of 12641133043 in words is "twelve billion, six hundred forty-one million, one hundred thirty-three thousand, forty-three".

Divisors: 1 7 11 49 77 539 23452937 164170559 257982307 1149193913 1805876149 12641133043