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13640215103 = 83647254003
BaseRepresentation
bin11001011010000010…
…10010101000111111
31022012121110201110222
430231001102220333
5210413343340403
610133301051555
7662005625654
oct145501225077
938177421428
1013640215103
11586a600549
1227880b6bbb
131394c0acc8
149357bdc2b
1554c765338
hex32d052a3f

13640215103 has 8 divisors (see below), whose sum is σ = 13825945728. Its totient is φ = 13454993944.

The previous prime is 13640215073. The next prime is 13640215111. The reversal of 13640215103 is 30151204631.

13640215103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13640215103 - 210 = 13640214079 is a prime.

It is a super-2 number, since 2×136402151032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13640265103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73301 + ... + 180702.

It is an arithmetic number, because the mean of its divisors is an integer number (1728243216).

Almost surely, 213640215103 is an apocalyptic number.

13640215103 is a deficient number, since it is larger than the sum of its proper divisors (185730625).

13640215103 is an equidigital number, since it uses as much as digits as its factorization.

13640215103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254733.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 13640215103 its reverse (30151204631), we get a palindrome (43791419734).

The spelling of 13640215103 in words is "thirteen billion, six hundred forty million, two hundred fifteen thousand, one hundred three".

Divisors: 1 83 647 53701 254003 21082249 164339941 13640215103