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3453042121 = 19181739059
BaseRepresentation
bin1100110111010001…
…0011110111001001
322220122111201021221
43031310103313021
524032434321441
61330350402041
7151366242124
oct31564236711
98818451257
103453042121
111512174721
12804500321
13430507ab9
1424a8573bb
151532338d1
hexcdd13dc9

3453042121 has 4 divisors (see below), whose sum is σ = 3634781200. Its totient is φ = 3271303044.

The previous prime is 3453042101. The next prime is 3453042127. The reversal of 3453042121 is 1212403543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3453042121 - 27 = 3453041993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3453042127) 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, 90869511 + ... + 90869548.

It is an arithmetic number, because the mean of its divisors is an integer number (908695300).

Almost surely, 23453042121 is an apocalyptic number.

It is an amenable number.

3453042121 is a deficient number, since it is larger than the sum of its proper divisors (181739079).

3453042121 is a wasteful number, since it uses less digits than its factorization.

3453042121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181739078.

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

The square root of 3453042121 is about 58762.5911698931. The cubic root of 3453042121 is about 1511.4738064356.

Adding to 3453042121 its reverse (1212403543), we get a palindrome (4665445664).

The spelling of 3453042121 in words is "three billion, four hundred fifty-three million, forty-two thousand, one hundred twenty-one".

Divisors: 1 19 181739059 3453042121