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10020424211 = 71431489173
BaseRepresentation
bin10010101010100001…
…11000101000010011
3221212100012021212122
421111100320220103
5131010212033321
64334152244455
7503213125520
oct112520705023
927770167778
1010020424211
1142822a5026
121b379a072b
13c38cbb9c5
146b0b5c147
153d9a948ab
hex255438a13

10020424211 has 4 divisors (see below), whose sum is σ = 11451913392. Its totient is φ = 8588935032.

The previous prime is 10020424187. The next prime is 10020424213. The reversal of 10020424211 is 11242402001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10020424211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10020424211.

It is not an unprimeable number, because it can be changed into a prime (10020424213) 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, 715744580 + ... + 715744593.

It is an arithmetic number, because the mean of its divisors is an integer number (2862978348).

Almost surely, 210020424211 is an apocalyptic number.

10020424211 is a deficient number, since it is larger than the sum of its proper divisors (1431489181).

10020424211 is an equidigital number, since it uses as much as digits as its factorization.

10020424211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431489180.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10020424211 its reverse (11242402001), we get a palindrome (21262826212).

The spelling of 10020424211 in words is "ten billion, twenty million, four hundred twenty-four thousand, two hundred eleven".

Divisors: 1 7 1431489173 10020424211