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275000000249 = 1343661744251
BaseRepresentation
bin1000000000001110100…
…01101111111011111001
3222021211020000110021102
410000013101233323321
514001200000001444
6330155552221145
725603520301602
oct4000721577371
9867736013242
10275000000249
11a6699370487
1245368b3a7b5
131cc175c5550
14d44ab98da9
1572479db84e
hex400746fef9

275000000249 has 16 divisors (see below), whose sum is σ = 303500011584. Its totient is φ = 247567320000.

The previous prime is 275000000203. The next prime is 275000000267. The reversal of 275000000249 is 942000000572.

It is a de Polignac number, because none of the positive numbers 2k-275000000249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (275000000269) 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, 2627 + ... + 741624.

It is an arithmetic number, because the mean of its divisors is an integer number (18968750724).

Almost surely, 2275000000249 is an apocalyptic number.

It is an amenable number.

275000000249 is a deficient number, since it is larger than the sum of its proper divisors (28500011335).

275000000249 is a wasteful number, since it uses less digits than its factorization.

275000000249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744968.

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 275000000249 in words is "two hundred seventy-five billion, two hundred forty-nine", and thus it is an aban number.

Divisors: 1 13 43 559 661 8593 28423 369499 744251 9675263 32002793 416036309 491949911 6395348843 21153846173 275000000249