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27800716055 = 572342182031
BaseRepresentation
bin11001111001000011…
…010100001100010111
32122202110221200222012
4121321003110030113
5423413440403210
620434345454435
72002633121210
oct317103241427
978673850865
1027800716055
11108768634a2
12547a4a141b
132810854658
1414ba316407
15aca9ee305
hex6790d4317

27800716055 has 32 divisors (see below), whose sum is σ = 39879364608. Its totient is φ = 18190972800.

The previous prime is 27800716037. The next prime is 27800716067. The reversal of 27800716055 is 55061700872.

It is not a de Polignac number, because 27800716055 - 210 = 27800715031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297890 + ... + 379920.

It is an arithmetic number, because the mean of its divisors is an integer number (1246230144).

Almost surely, 227800716055 is an apocalyptic number.

27800716055 is a deficient number, since it is larger than the sum of its proper divisors (12078648553).

27800716055 is a wasteful number, since it uses less digits than its factorization.

27800716055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82487.

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 27800716055 in words is "twenty-seven billion, eight hundred million, seven hundred sixteen thousand, fifty-five".

Divisors: 1 5 7 23 35 115 161 421 805 2105 2947 9683 14735 48415 67781 82031 338905 410155 574217 1886713 2871085 9433565 13206991 34535051 66034955 172675255 241745357 794306173 1208726785 3971530865 5560143211 27800716055