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10211211211009 = 431392117058403
BaseRepresentation
bin1001010010010111101110…
…0111011111000100000001
31100011011220212101110121011
42110211323213133010001
52314300030032223014
633414544330200521
72102510222123554
oct224457347370401
940134825343534
1010211211211009
113287606582a66
12118b001b83141
13590bb4083163
1427432218069b
1512a93c7777c4
hex9497b9df101

10211211211009 has 8 divisors (see below), whose sum is σ = 10449432421472. Its totient is φ = 9973024145280.

The previous prime is 10211211211007. The next prime is 10211211211013. The reversal of 10211211211009 is 90011211211201.

It is a happy number.

10211211211009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10211211211009 - 21 = 10211211211007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211211211007) 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, 7930599 + ... + 9127804.

It is an arithmetic number, because the mean of its divisors is an integer number (1306179052684).

Almost surely, 210211211211009 is an apocalyptic number.

It is an amenable number.

10211211211009 is a deficient number, since it is larger than the sum of its proper divisors (238221210463).

10211211211009 is a wasteful number, since it uses less digits than its factorization.

10211211211009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17072367.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 10211211211009 in words is "ten trillion, two hundred eleven billion, two hundred eleven million, two hundred eleven thousand, nine".

Divisors: 1 43 13921 598603 17058403 733511329 237470028163 10211211211009