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2173048111 = 13167157547
BaseRepresentation
bin1000000110000110…
…0001010100101111
312121102222021121101
42001201201110233
513422300014421
6555343543531
7104564414143
oct20141412457
95542867541
102173048111
11a156a1233
125078baba7
13288285bb0
14168863223
15cab96191
hex8186152f

2173048111 has 4 divisors (see below), whose sum is σ = 2340205672. Its totient is φ = 2005890552.

The previous prime is 2173048109. The next prime is 2173048121. The reversal of 2173048111 is 1118403712.

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 2173048111 - 21 = 2173048109 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 2173048111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173048121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83578761 + ... + 83578786.

It is an arithmetic number, because the mean of its divisors is an integer number (585051418).

Almost surely, 22173048111 is an apocalyptic number.

2173048111 is a deficient number, since it is larger than the sum of its proper divisors (167157561).

2173048111 is a wasteful number, since it uses less digits than its factorization.

2173048111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167157560.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 2173048111 is about 46615.9641217470. The cubic root of 2173048111 is about 1295.2584887724.

The spelling of 2173048111 in words is "two billion, one hundred seventy-three million, forty-eight thousand, one hundred eleven".

Divisors: 1 13 167157547 2173048111