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10210002000001 = 21298614793741
BaseRepresentation
bin1001010010010011001110…
…0010101101100010000001
31100011001210121001011221021
42110210303202231202001
52314240041003000001
633414224332425441
72102435240033206
oct224446342554201
940131717034837
1010210002000001
113287045a55921
12118a925018281
13590a506b529b
14274249733cad
1512a8bb51cba1
hex949338ad881

10210002000001 has 4 divisors (see below), whose sum is σ = 10210008923604. Its totient is φ = 10209995076400.

The previous prime is 10210001999941. The next prime is 10210002000047. The reversal of 10210002000001 is 10000020001201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2272710017601 + 7937291982400 = 1507551^2 + 2817320^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210002000001 - 223 = 10209993611393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10210002070001) 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, 267010 + ... + 4526731.

It is an arithmetic number, because the mean of its divisors is an integer number (2552502230901).

Almost surely, 210210002000001 is an apocalyptic number.

It is an amenable number.

10210002000001 is a deficient number, since it is larger than the sum of its proper divisors (6923603).

10210002000001 is an equidigital number, since it uses as much as digits as its factorization.

10210002000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6923602.

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

Adding to 10210002000001 its reverse (10000020001201), we get a palindrome (20210022001202).

The spelling of 10210002000001 in words is "ten trillion, two hundred ten billion, two million, one", and thus it is an aban number.

Divisors: 1 2129861 4793741 10210002000001