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3454393813 = 13163012
BaseRepresentation
bin1100110111100101…
…1101110111010101
322220202001101110121
43031321131313111
524033311100223
61330435351541
7151413601663
oct31571356725
98822041417
103454393813
111512a08222
12804a525b1
1343088c110
1424aac9c33
151533ee15d
hexcde5ddd5

3454393813 has 6 divisors (see below), whose sum is σ = 3720344642. Its totient is φ = 3188475600.

The previous prime is 3454393807. The next prime is 3454393823. The reversal of 3454393813 is 3183934543.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1014231409 + 2440162404 = 31847^2 + 49398^2 .

It is not a de Polignac number, because 3454393813 - 213 = 3454385621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3454393813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3454393823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203763 + ... + 220063.

Almost surely, 23454393813 is an apocalyptic number.

It is an amenable number.

3454393813 is a deficient number, since it is larger than the sum of its proper divisors (265950829).

3454393813 is an frugal number, since it uses more digits than its factorization.

3454393813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32615 (or 16314 counting only the distinct ones).

The product of its digits is 466560, while the sum is 43.

The square root of 3454393813 is about 58774.0913413385. The cubic root of 3454393813 is about 1511.6710026523.

The spelling of 3454393813 in words is "three billion, four hundred fifty-four million, three hundred ninety-three thousand, eight hundred thirteen".

Divisors: 1 13 16301 211913 265722601 3454393813