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2120441453 = 13859718973
BaseRepresentation
bin111111001100011…
…0101111001101101
312110202222120211122
41332120311321231
513320313111303
6550224230325
7103355312024
oct17630657155
95422876748
102120441453
11998a30059
124b216b3a5
1327a3c71b0
1416188b8bb
15c6253e38
hex7e635e6d

2120441453 has 8 divisors (see below), whose sum is σ = 2283938328. Its totient is φ = 1956999744.

The previous prime is 2120441429. The next prime is 2120441549. The reversal of 2120441453 is 3541440212.

It can be written as a sum of positive squares in 4 ways, for example, as 111788329 + 2008653124 = 10573^2 + 44818^2 .

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 2120441453 - 212 = 2120437357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120441423) 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, 102275 + ... + 121247.

It is an arithmetic number, because the mean of its divisors is an integer number (285492291).

Almost surely, 22120441453 is an apocalyptic number.

It is an amenable number.

2120441453 is a deficient number, since it is larger than the sum of its proper divisors (163496875).

2120441453 is a wasteful number, since it uses less digits than its factorization.

2120441453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27583.

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

The square root of 2120441453 is about 46048.2513565933. The cubic root of 2120441453 is about 1284.7208188981.

Adding to 2120441453 its reverse (3541440212), we get a palindrome (5661881665).

The spelling of 2120441453 in words is "two billion, one hundred twenty million, four hundred forty-one thousand, four hundred fifty-three".

Divisors: 1 13 8597 18973 111761 246649 163110881 2120441453