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100100010000101 is a prime number
BaseRepresentation
bin10110110000101001011001…
…100010011011111011100101
3111010102110121210202221002112
4112300221121202123323211
5101110014310030000401
6552521150524050405
730040662364130456
oct2660513142337345
9433373553687075
10100100010000101
11299931a3052521
12b288076993a05
1343b150ca472b7
141aa0c1b31712d
15b88c6e8323bb
hex5b0a5989bee5

100100010000101 has 2 divisors, whose sum is σ = 100100010000102. Its totient is φ = 100100010000100.

The previous prime is 100100010000083. The next prime is 100100010000257. The reversal of 100100010000101 is 101000010001001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82257825552100 + 17842184448001 = 9069610^2 + 4224001^2 .

It is an emirp because it is prime and its reverse (101000010001001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100100010000101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100100010000901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050005000050 + 50050005000051.

It is an arithmetic number, because the mean of its divisors is an integer number (50050005000051).

Almost surely, 2100100010000101 is an apocalyptic number.

It is an amenable number.

100100010000101 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100010000101 is an equidigital number, since it uses as much as digits as its factorization.

100100010000101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 100100010000101 its reverse (101000010001001), we get a palindrome (201100020001102).

The spelling of 100100010000101 in words is "one hundred trillion, one hundred billion, ten million, one hundred one", and thus it is an aban number.