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9141387799 = 52971725767
BaseRepresentation
bin10001000001101111…
…01000001000010111
3212121002010121121111
420200313220020113
5122210143402144
64111031355451
7442350341245
oct104067501027
925532117544
109141387799
113971090a55
121931522b87
13b28b5520b
1462a0db795
15387809534
hex220de8217

9141387799 has 4 divisors (see below), whose sum is σ = 9143118864. Its totient is φ = 9139656736.

The previous prime is 9141387791. The next prime is 9141387803. The reversal of 9141387799 is 9977831419.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9141387799 - 23 = 9141387791 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9141387791) 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, 857587 + ... + 868180.

It is an arithmetic number, because the mean of its divisors is an integer number (2285779716).

Almost surely, 29141387799 is an apocalyptic number.

9141387799 is a deficient number, since it is larger than the sum of its proper divisors (1731065).

9141387799 is a wasteful number, since it uses less digits than its factorization.

9141387799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731064.

The product of its digits is 3429216, while the sum is 58.

The square root of 9141387799 is about 95610.6050550879. The cubic root of 9141387799 is about 2090.9198120816.

The spelling of 9141387799 in words is "nine billion, one hundred forty-one million, three hundred eighty-seven thousand, seven hundred ninety-nine".

Divisors: 1 5297 1725767 9141387799