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2775690145 = 51994730853
BaseRepresentation
bin1010010101110001…
…1010101110100001
321011102221200001201
42211130122232201
521141034041040
61135232401201
7125532656044
oct24534325641
97142850051
102775690145
1111a48940a8
126556a6201
13353098207
141c48d6c5b
15113a36a9a
hexa571aba1

2775690145 has 16 divisors (see below), whose sum is σ = 3509951040. Its totient is φ = 2101391424.

The previous prime is 2775690109. The next prime is 2775690167. The reversal of 2775690145 is 5410965772.

2775690145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2775690145 - 219 = 2775165857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2775690095 and 2775690104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74539 + ... + 105391.

It is an arithmetic number, because the mean of its divisors is an integer number (219371940).

Almost surely, 22775690145 is an apocalyptic number.

It is an amenable number.

2775690145 is a deficient number, since it is larger than the sum of its proper divisors (734260895).

2775690145 is a wasteful number, since it uses less digits than its factorization.

2775690145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31824.

The product of its (nonzero) digits is 529200, while the sum is 46.

The square root of 2775690145 is about 52684.8189234812. The cubic root of 2775690145 is about 1405.3688650432.

The spelling of 2775690145 in words is "two billion, seven hundred seventy-five million, six hundred ninety thousand, one hundred forty-five".

Divisors: 1 5 19 95 947 4735 17993 30853 89965 154265 586207 2931035 29217791 146088955 555138029 2775690145