Search a number
-
+
6673419481 = 15125412
BaseRepresentation
bin1100011011100010…
…00100110011011001
3122020002012211112111
412031301010303121
5102131343410411
63022110312321
7324242062321
oct61561046331
918202184474
106673419481
112914a75913
121362ab86a1
1382475c731
14474428281
15290d09721
hex18dc44cd9

6673419481 has 9 divisors (see below), whose sum is σ = 6730347519. Its totient is φ = 6616971000.

The previous prime is 6673419439. The next prime is 6673419491. The reversal of 6673419481 is 1849143766.

The square root of 6673419481 is 81691.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2651323081 + 4022096400 = 51491^2 + 63420^2 .

It is not a de Polignac number, because 6673419481 - 27 = 6673419353 is a prime.

It is a super-2 number, since 2×66734194812 = 89069055138780618722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6673419421) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12335071 + ... + 12335611.

It is an arithmetic number, because the mean of its divisors is an integer number (747816391).

Almost surely, 26673419481 is an apocalyptic number.

6673419481 is the 81691-st square number.

6673419481 is the 40846-th centered octagonal number.

It is an amenable number.

6673419481 is a deficient number, since it is larger than the sum of its proper divisors (56928038).

6673419481 is an frugal number, since it uses more digits than its factorization.

6673419481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384 (or 692 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The cubic root of 6673419481 is about 1882.7073074825.

Multiplying 6673419481 by its sum of digits (49), we get a square (326997554569 = 5718372).

The spelling of 6673419481 in words is "six billion, six hundred seventy-three million, four hundred nineteen thousand, four hundred eighty-one".

Divisors: 1 151 541 22801 81691 292681 12335341 44194831 6673419481