Search a number
-
+
7421381341 = 114122711481
BaseRepresentation
bin1101110100101100…
…10100101011011101
3201011012122020022121
412322112110223131
5110144333200331
63224225542541
7351623462203
oct67226245335
921135566277
107421381341
1131691a3710
1215314a4a51
139136c260a
145058c9073
152d6802c11
hex1ba594add

7421381341 has 24 divisors (see below), whose sum is σ = 8334578304. Its totient is φ = 6553440000.

The previous prime is 7421381327. The next prime is 7421381381. The reversal of 7421381341 is 1431831247.

It is not a de Polignac number, because 7421381341 - 211 = 7421379293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7421381297 and 7421381306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421381381) 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 23 ways as a sum of consecutive naturals, for example, 5010321 + ... + 5011801.

It is an arithmetic number, because the mean of its divisors is an integer number (347274096).

Almost surely, 27421381341 is an apocalyptic number.

It is an amenable number.

7421381341 is a deficient number, since it is larger than the sum of its proper divisors (913196963).

7421381341 is a wasteful number, since it uses less digits than its factorization.

7421381341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845 (or 1804 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 7421381341 is about 86147.4395498787. The cubic root of 7421381341 is about 1950.5701896896.

The spelling of 7421381341 in words is "seven billion, four hundred twenty-one million, three hundred eighty-one thousand, three hundred forty-one".

Divisors: 1 11 41 271 451 1481 1681 2981 11111 16291 18491 60721 122221 401351 455551 667931 2489561 4414861 5011061 16455391 27385171 181009301 674671031 7421381341