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10101001000001 = 19531631631579
BaseRepresentation
bin1001001011111101001010…
…0100111001010001000001
31022202122110010102122221012
42102333102210321101001
52310443322224000001
633252200311010305
72061526135600202
oct222772244712101
938678403378835
1010101001000001
1132448a080624a
121171784969995
1358369c165352
1426cc690bb5a9
15127b3beaa2bb
hex92fd2939441

10101001000001 has 4 divisors (see below), whose sum is σ = 10632632631600. Its totient is φ = 9569369368404.

The previous prime is 10101000999997. The next prime is 10101001000031. The reversal of 10101001000001 is 10000010010101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10101001000001 - 22 = 10101000999997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10101001000031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265815815771 + ... + 265815815808.

It is an arithmetic number, because the mean of its divisors is an integer number (2658158157900).

Almost surely, 210101001000001 is an apocalyptic number.

It is an amenable number.

10101001000001 is a deficient number, since it is larger than the sum of its proper divisors (531631631599).

10101001000001 is an equidigital number, since it uses as much as digits as its factorization.

10101001000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531631631598.

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

Adding to 10101001000001 its reverse (10000010010101), we get a palindrome (20101011010102).

The spelling of 10101001000001 in words is "ten trillion, one hundred one billion, one million, one", and thus it is an aban number.

Divisors: 1 19 531631631579 10101001000001