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10033222021 = 22344992027
BaseRepresentation
bin10010101100000011…
…01101000110000101
3221220020021111011121
421112001231012011
5131022001101041
64335330433541
7503426660104
oct112601550605
927806244147
1010033222021
114289546229
121b401328b1
13c3b84cb84
146b273003b
153dac717d1
hex25606d185

10033222021 has 4 divisors (see below), whose sum is σ = 10078214272. Its totient is φ = 9988229772.

The previous prime is 10033221997. The next prime is 10033222033. The reversal of 10033222021 is 12022233001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12022233001 = 13191772771.

It is a cyclic number.

It is not a de Polignac number, because 10033222021 - 225 = 9999667589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10033221986 and 10033222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10033222051) 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, 22495791 + ... + 22496236.

It is an arithmetic number, because the mean of its divisors is an integer number (2519553568).

Almost surely, 210033222021 is an apocalyptic number.

It is an amenable number.

10033222021 is a deficient number, since it is larger than the sum of its proper divisors (44992251).

10033222021 is an equidigital number, since it uses as much as digits as its factorization.

10033222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44992250.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10033222021 its reverse (12022233001), we get a palindrome (22055455022).

The spelling of 10033222021 in words is "ten billion, thirty-three million, two hundred twenty-two thousand, twenty-one".

Divisors: 1 223 44992027 10033222021