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1020211211 = 67139109547
BaseRepresentation
bin111100110011110…
…011000000001011
32122002201002200102
4330303303000023
54042133224321
6245122400015
734165436465
oct7463630013
92562632612
101020211211
11483978868
1224580000b
13133495796
14996cd135
155e874c0b
hex3ccf300b

1020211211 has 8 divisors (see below), whose sum is σ = 1042896960. Its totient is φ = 997744968.

The previous prime is 1020211169. The next prime is 1020211217. The reversal of 1020211211 is 1121120201.

1020211211 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 a de Polignac number, because none of the positive numbers 2k-1020211211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020211192 and 1020211201.

It is not an unprimeable number, because it can be changed into a prime (1020211217) 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, 45461 + ... + 64086.

It is an arithmetic number, because the mean of its divisors is an integer number (130362120).

Almost surely, 21020211211 is an apocalyptic number.

1020211211 is a deficient number, since it is larger than the sum of its proper divisors (22685749).

1020211211 is a wasteful number, since it uses less digits than its factorization.

1020211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109753.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1020211211 is about 31940.7453106530. The cubic root of 1020211211 is about 1006.6921850881.

Adding to 1020211211 its reverse (1121120201), we get a palindrome (2141331412).

The spelling of 1020211211 in words is "one billion, twenty million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 67 139 9313 109547 7339649 15227033 1020211211