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22540322353 = 53451794153
BaseRepresentation
bin10100111111100000…
…100000011000110001
32011011212121000101211
4110333200200120301
5332130310303403
614204353200121
71425366402343
oct247740403061
964155530354
1022540322353
11961747388a
124450860041
132182a84563
14113b831293
158bdcae06d
hex53f820631

22540322353 has 8 divisors (see below), whose sum is σ = 22970939688. Its totient is φ = 22109902464.

The previous prime is 22540322293. The next prime is 22540322377. The reversal of 22540322353 is 35322304522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 198443569 + 22341878784 = 14087^2 + 149472^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22540322353 - 29 = 22540321841 is a prime.

It is a super-2 number, since 2×225403223532 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22540322393) 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, 192325 + ... + 286477.

It is an arithmetic number, because the mean of its divisors is an integer number (2871367461).

Almost surely, 222540322353 is an apocalyptic number.

It is an amenable number.

22540322353 is a deficient number, since it is larger than the sum of its proper divisors (430617335).

22540322353 is an equidigital number, since it uses as much as digits as its factorization.

22540322353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98723.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 22540322353 its reverse (35322304522), we get a palindrome (57862626875).

The spelling of 22540322353 in words is "twenty-two billion, five hundred forty million, three hundred twenty-two thousand, three hundred fifty-three".

Divisors: 1 53 4517 94153 239401 4990109 425289101 22540322353