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22120431245 = 511402189659
BaseRepresentation
bin10100100110011110…
…101111111010001101
32010002121111100002022
4110212132233322031
5330300312244440
614054553335525
71412110364123
oct244636577215
963077440068
1022120431245
119421452440
1243541075a5
132116a9a293
1410dbb6d913
15896ebbcb5
hex5267afe8d

22120431245 has 8 divisors (see below), whose sum is σ = 28957655520. Its totient is φ = 16087586320.

The previous prime is 22120431211. The next prime is 22120431253. The reversal of 22120431245 is 54213402122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22120431245 - 214 = 22120414861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201094775 + ... + 201094884.

It is an arithmetic number, because the mean of its divisors is an integer number (3619706940).

Almost surely, 222120431245 is an apocalyptic number.

It is an amenable number.

22120431245 is a deficient number, since it is larger than the sum of its proper divisors (6837224275).

22120431245 is a wasteful number, since it uses less digits than its factorization.

22120431245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402189675.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 22120431245 its reverse (54213402122), we get a palindrome (76333833367).

The spelling of 22120431245 in words is "twenty-two billion, one hundred twenty million, four hundred thirty-one thousand, two hundred forty-five".

Divisors: 1 5 11 55 402189659 2010948295 4424086249 22120431245