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1275448063 = 11323514801
BaseRepresentation
bin100110000000101…
…1100101011111111
310021212222110211011
41030001130223333
510103003314223
6330321140051
743415062321
oct11401345377
93255873734
101275448063
115a4a5900a
122b718a627
1317431c9c6
14c156d611
1576e9080d
hex4c05caff

1275448063 has 8 divisors (see below), whose sum is σ = 1287550656. Its totient is φ = 1263360000.

The previous prime is 1275448051. The next prime is 1275448091. The reversal of 1275448063 is 3608445721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1275448063 is a prime.

It is a super-2 number, since 2×12754480632 = 3253535522820903938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275448033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263263 + ... + 268063.

It is an arithmetic number, because the mean of its divisors is an integer number (160943832).

Almost surely, 21275448063 is an apocalyptic number.

1275448063 is a deficient number, since it is larger than the sum of its proper divisors (12102593).

1275448063 is a wasteful number, since it uses less digits than its factorization.

1275448063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7265.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 1275448063 is about 35713.4157285466. The cubic root of 1275448063 is about 1084.4784493853.

The spelling of 1275448063 in words is "one billion, two hundred seventy-five million, four hundred forty-eight thousand, sixty-three".

Divisors: 1 113 2351 4801 265663 542513 11287151 1275448063