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10505222353 = 19373542261
BaseRepresentation
bin10011100100010100…
…01111100011010001
31000010010102120220101
421302022033203101
5133003314103403
64454231212401
7521220626263
oct116212174321
930103376811
1010505222353
114500a1904a
122052217101
13cb5580602
147192b7b33
1541740871d
hex27228f8d1

10505222353 has 4 divisors (see below), whose sum is σ = 10505783988. Its totient is φ = 10504660720.

The previous prime is 10505222279. The next prime is 10505222393. The reversal of 10505222353 is 35322250501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35322250501 = 160721980243.

It can be written as a sum of positive squares in 2 ways, for example, as 983951424 + 9521270929 = 31368^2 + 97577^2 .

It is a cyclic number.

It is not a de Polignac number, because 10505222353 - 221 = 10503125201 is a prime.

It is a super-2 number, since 2×105052223532 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10505222393) 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, 251758 + ... + 290503.

It is an arithmetic number, because the mean of its divisors is an integer number (2626445997).

Almost surely, 210505222353 is an apocalyptic number.

It is an amenable number.

10505222353 is a deficient number, since it is larger than the sum of its proper divisors (561635).

10505222353 is an equidigital number, since it uses as much as digits as its factorization.

10505222353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561634.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 10505222353 its reverse (35322250501), we get a palindrome (45827472854).

The spelling of 10505222353 in words is "ten billion, five hundred five million, two hundred twenty-two thousand, three hundred fifty-three".

Divisors: 1 19373 542261 10505222353