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814148272775 = 52241091350779
BaseRepresentation
bin10111101100011110000…
…01001100001010000111
32212211110101121110120102
423312033001030022013
5101314333424212100
61422003050554315
7112551232064465
oct13661701141207
92784411543512
10814148272775
11294307525512
1211195473899b
135ba0a201206
142b5953d7835
15162a0462cd5
hexbd8f04c287

814148272775 has 12 divisors (see below), whose sum is σ = 1009586479800. Its totient is φ = 651291120480.

The previous prime is 814148272757. The next prime is 814148272829. The reversal of 814148272775 is 577272841418.

It is not a de Polignac number, because 814148272775 - 28 = 814148272519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 814148272775.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 72665 + ... + 1278114.

It is an arithmetic number, because the mean of its divisors is an integer number (84132206650).

Almost surely, 2814148272775 is an apocalyptic number.

814148272775 is a deficient number, since it is larger than the sum of its proper divisors (195438207025).

814148272775 is a wasteful number, since it uses less digits than its factorization.

814148272775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374898 (or 1374893 counting only the distinct ones).

The product of its digits is 7024640, while the sum is 56.

The spelling of 814148272775 in words is "eight hundred fourteen billion, one hundred forty-eight million, two hundred seventy-two thousand, seven hundred seventy-five".

Divisors: 1 5 25 24109 120545 602725 1350779 6753895 33769475 32565930911 162829654555 814148272775