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6761900055 = 353171422061
BaseRepresentation
bin1100100110000101…
…00110100000010111
3122110020201010001210
412103002212200113
5102322021300210
63034550552503
7326365126221
oct62302464027
918406633053
106761900055
11295aa09659
121388668733
13839b9bbc1
1448209b411
15298985e20
hex1930a6817

6761900055 has 16 divisors (see below), whose sum is σ = 10853177184. Its totient is φ = 3594967680.

The previous prime is 6761900053. The next prime is 6761900069. The reversal of 6761900055 is 5500091676.

It is not a de Polignac number, because 6761900055 - 21 = 6761900053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6761899986 and 6761900022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6761900051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706276 + ... + 715785.

It is an arithmetic number, because the mean of its divisors is an integer number (678323574).

Almost surely, 26761900055 is an apocalyptic number.

6761900055 is a deficient number, since it is larger than the sum of its proper divisors (4091277129).

6761900055 is a wasteful number, since it uses less digits than its factorization.

6761900055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422386.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 6761900055 is about 82230.7731630927. The cubic root of 6761900055 is about 1890.9915250342.

The spelling of 6761900055 in words is "six billion, seven hundred sixty-one million, nine hundred thousand, fifty-five".

Divisors: 1 3 5 15 317 951 1585 4755 1422061 4266183 7110305 21330915 450793337 1352380011 2253966685 6761900055