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6655113143 = 7950730449
BaseRepresentation
bin1100011001010110…
…01111011110110111
3122011210202202221222
412030223033132313
5102112202110033
63020214100555
7323630346140
oct61453173667
918153682858
106655113143
112905702008
12135894a75b
13820a20193
14471c20ac7
1528e3e0598
hex18cacf7b7

6655113143 has 4 divisors (see below), whose sum is σ = 7605843600. Its totient is φ = 5704382688.

The previous prime is 6655113121. The next prime is 6655113163. The reversal of 6655113143 is 3413115566.

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 6655113143 - 26 = 6655113079 is a prime.

It is a super-2 number, since 2×66551131432 = 88581061892262676898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655113163) 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, 475365218 + ... + 475365231.

It is an arithmetic number, because the mean of its divisors is an integer number (1901460900).

Almost surely, 26655113143 is an apocalyptic number.

6655113143 is a deficient number, since it is larger than the sum of its proper divisors (950730457).

6655113143 is an equidigital number, since it uses as much as digits as its factorization.

6655113143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950730456.

The product of its digits is 32400, while the sum is 35.

The square root of 6655113143 is about 81578.8768186961. The cubic root of 6655113143 is about 1880.9842008877.

The spelling of 6655113143 in words is "six billion, six hundred fifty-five million, one hundred thirteen thousand, one hundred forty-three".

Divisors: 1 7 950730449 6655113143