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2656045541 = 17214961681
BaseRepresentation
bin1001111001010000…
…0000100111100101
320212002211002112002
42132110000213211
520414421424131
61115320135045
7122551005002
oct23624004745
96762732462
102656045541
1111432a5366
12621607485
13334366ca6
141b2a708a9
151082a16cb
hex9e5009e5

2656045541 has 12 divisors (see below), whose sum is σ = 2840456100. Its totient is φ = 2482990080.

The previous prime is 2656045531. The next prime is 2656045583. The reversal of 2656045541 is 1455406562.

It can be written as a sum of positive squares in 6 ways, for example, as 133494916 + 2522550625 = 11554^2 + 50225^2 .

It is not a de Polignac number, because 2656045541 - 218 = 2655783397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2656045495 and 2656045504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656045501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12221 + ... + 73901.

It is an arithmetic number, because the mean of its divisors is an integer number (236704675).

Almost surely, 22656045541 is an apocalyptic number.

It is an amenable number.

2656045541 is a deficient number, since it is larger than the sum of its proper divisors (184410559).

2656045541 is a wasteful number, since it uses less digits than its factorization.

2656045541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61864 (or 61847 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 2656045541 is about 51536.8367383952. The cubic root of 2656045541 is about 1384.8790296929.

The spelling of 2656045541 in words is "two billion, six hundred fifty-six million, forty-five thousand, five hundred forty-one".

Divisors: 1 17 149 289 2533 43061 61681 1048577 9190469 17825809 156237973 2656045541