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3140221453 = 17184718909
BaseRepresentation
bin1011101100101011…
…1111101000001101
322002211212210000021
42323022333220031
522412344041303
61235333502141
7140550304405
oct27312775015
98084783007
103140221453
111371633946
127377a1951
133b076b605
1421b0a7805
15135a40ebd
hexbb2bfa0d

3140221453 has 4 divisors (see below), whose sum is σ = 3324940380. Its totient is φ = 2955502528.

The previous prime is 3140221421. The next prime is 3140221457. The reversal of 3140221453 is 3541220413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3541220413 = 8221430753.

It can be written as a sum of positive squares in 2 ways, for example, as 1879829449 + 1260392004 = 43357^2 + 35502^2 .

It is a cyclic number.

It is not a de Polignac number, because 3140221453 - 25 = 3140221421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140221457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92359438 + ... + 92359471.

It is an arithmetic number, because the mean of its divisors is an integer number (831235095).

Almost surely, 23140221453 is an apocalyptic number.

It is an amenable number.

3140221453 is a deficient number, since it is larger than the sum of its proper divisors (184718927).

3140221453 is a wasteful number, since it uses less digits than its factorization.

3140221453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184718926.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3140221453 is about 56037.6788687754. The cubic root of 3140221453 is about 1464.3787746885.

Adding to 3140221453 its reverse (3541220413), we get a palindrome (6681441866).

The spelling of 3140221453 in words is "three billion, one hundred forty million, two hundred twenty-one thousand, four hundred fifty-three".

Divisors: 1 17 184718909 3140221453