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100122000001 = 181866963809
BaseRepresentation
bin101110100111110111…
…1000111101010000001
3100120102200012120210021
41131033233013222001
53120022213000001
6113555001533441
710143054646432
oct1351757075201
9316380176707
10100122000001
1139509293551
12174a27a4281
139597b86aaa
144bbb33b489
15290ecd7ba1
hex174fbc7a81

100122000001 has 8 divisors (see below), whose sum is σ = 100688351400. Its totient is φ = 99555793920.

The previous prime is 100121999947. The next prime is 100122000007. The reversal of 100122000001 is 100000221001.

It can be written as a sum of positive squares in 4 ways, for example, as 10600761600 + 89521238401 = 102960^2 + 299201^2 .

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 100122000001 - 227 = 99987782273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100122000007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537185 + ... + 1600993.

It is an arithmetic number, because the mean of its divisors is an integer number (12586043925).

Almost surely, 2100122000001 is an apocalyptic number.

It is an amenable number.

100122000001 is a deficient number, since it is larger than the sum of its proper divisors (566351399).

100122000001 is an equidigital number, since it uses as much as digits as its factorization.

100122000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72659.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 100122000001 its reverse (100000221001), we get a palindrome (200122221002).

The spelling of 100122000001 in words is "one hundred billion, one hundred twenty-two million, one", and thus it is an aban number.

Divisors: 1 181 8669 63809 1569089 11549429 553160221 100122000001