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103226236621 = 157657491953
BaseRepresentation
bin110000000100011000…
…0110101111011001101
3100212110000101010212221
41200020300311323031
53142401404032441
6115231012255341
710313020351114
oct1401060657315
9325400333787
10103226236621
113a861579462
121800a311551
1399710362b1
144dd3718c7b
152a425bb8d1
hex1808c35ecd

103226236621 has 4 divisors (see below), whose sum is σ = 103883728732. Its totient is φ = 102568744512.

The previous prime is 103226236613. The next prime is 103226236661. The reversal of 103226236621 is 126632622301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60804655396 + 42421581225 = 246586^2 + 205965^2 .

It is a cyclic number.

It is not a de Polignac number, because 103226236621 - 23 = 103226236613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103226236601) 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 3 ways as a sum of consecutive naturals, for example, 328745820 + ... + 328746133.

It is an arithmetic number, because the mean of its divisors is an integer number (25970932183).

Almost surely, 2103226236621 is an apocalyptic number.

It is an amenable number.

103226236621 is a deficient number, since it is larger than the sum of its proper divisors (657492111).

103226236621 is an equidigital number, since it uses as much as digits as its factorization.

103226236621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657492110.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 103226236621 its reverse (126632622301), we get a palindrome (229858858922).

The spelling of 103226236621 in words is "one hundred three billion, two hundred twenty-six million, two hundred thirty-six thousand, six hundred twenty-one".

Divisors: 1 157 657491953 103226236621