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2738894653 = 112173130841
BaseRepresentation
bin1010001101000000…
…0011011100111101
321001212201021010201
42203100003130331
521102124112103
61131440003501
7124605135415
oct24320033475
97055637121
102738894653
111186042100
12645300591
13348584131
141bda79645
151106b951d
hexa340373d

2738894653 has 12 divisors (see below), whose sum is σ = 3027945564. Its totient is φ = 2475492800.

The previous prime is 2738894611. The next prime is 2738894657. The reversal of 2738894653 is 3564988372.

It can be written as a sum of positive squares in 2 ways, for example, as 1225140004 + 1513754649 = 35002^2 + 38907^2 .

It is not a de Polignac number, because 2738894653 - 217 = 2738763581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2738894594 and 2738894603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2738894657) 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, 44488 + ... + 86353.

It is an arithmetic number, because the mean of its divisors is an integer number (252328797).

Almost surely, 22738894653 is an apocalyptic number.

It is an amenable number.

2738894653 is a deficient number, since it is larger than the sum of its proper divisors (289050911).

2738894653 is a wasteful number, since it uses less digits than its factorization.

2738894653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131036 (or 131025 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The square root of 2738894653 is about 52334.4499636712. The cubic root of 2738894653 is about 1399.1312046724.

The spelling of 2738894653 in words is "two billion, seven hundred thirty-eight million, eight hundred ninety-four thousand, six hundred fifty-three".

Divisors: 1 11 121 173 1903 20933 130841 1439251 15831761 22635493 248990423 2738894653