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2769554137 = 72213726449
BaseRepresentation
bin1010010100010100…
…0000101011011001
321011000101221001011
42211011000223121
521133001213022
61134453053521
7125426551600
oct24505005331
97130357034
102769554137
1111a1383019
126536272a1
13351a2a33c
141c3b7aa37
15113223977
hexa5140ad9

2769554137 has 12 divisors (see below), whose sum is σ = 3223355700. Its totient is φ = 2372702976.

The previous prime is 2769554093. The next prime is 2769554149. The reversal of 2769554137 is 7314559672.

It can be written as a sum of positive squares in 2 ways, for example, as 195412441 + 2574141696 = 13979^2 + 50736^2 .

It is a de Polignac number, because none of the positive numbers 2k-2769554137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2769554197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91489 + ... + 117937.

It is an arithmetic number, because the mean of its divisors is an integer number (268612975).

Almost surely, 22769554137 is an apocalyptic number.

It is an amenable number.

2769554137 is a deficient number, since it is larger than the sum of its proper divisors (453801563).

2769554137 is a wasteful number, since it uses less digits than its factorization.

2769554137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28600 (or 28593 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 49.

The square root of 2769554137 is about 52626.5535352639. The cubic root of 2769554137 is about 1404.3325201709.

The spelling of 2769554137 in words is "two billion, seven hundred sixty-nine million, five hundred fifty-four thousand, one hundred thirty-seven".

Divisors: 1 7 49 2137 14959 26449 104713 185143 1296001 56521513 395650591 2769554137