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100011101100101 is a prime number
BaseRepresentation
bin10110101111010110100110…
…001001111001100001000101
3111010002222010120222211210022
4112233112212021321201011
5101102040213340200401
6552412244321504525
730031364214011462
oct2657264611714105
9433088116884708
10100011101100101
1129959519317a74
12b2729a34a2145
1343a6010caaa29
141a9a7c52bc669
15b867b917e71b
hex5af5a6279845

100011101100101 has 2 divisors, whose sum is σ = 100011101100102. Its totient is φ = 100011101100100.

The previous prime is 100011101100077. The next prime is 100011101100161. The reversal of 100011101100101 is 101001101110001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77833877167201 + 22177223932900 = 8822351^2 + 4709270^2 .

It is an emirp because it is prime and its reverse (101001101110001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100011101100101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100011101100161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005550550050 + 50005550550051.

It is an arithmetic number, because the mean of its divisors is an integer number (50005550550051).

Almost surely, 2100011101100101 is an apocalyptic number.

It is an amenable number.

100011101100101 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011101100101 is an equidigital number, since it uses as much as digits as its factorization.

100011101100101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 100011101100101 its reverse (101001101110001), we get a palindrome (201012202210102).

The spelling of 100011101100101 in words is "one hundred trillion, eleven billion, one hundred one million, one hundred thousand, one hundred one".