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1275250101 = 34110367887
BaseRepresentation
bin100110000000010…
…1100010110110101
310021212121102021020
41030000230112311
510102431000401
6330313011353
743413306216
oct11400542665
93255542236
101275250101
115a4933304
122b70b3b59
13174280878
14c151b40d
1576e51d36
hex4c02c5b5

1275250101 has 8 divisors (see below), whose sum is σ = 1741805184. Its totient is φ = 829430880.

The previous prime is 1275250057. The next prime is 1275250133. The reversal of 1275250101 is 1010525721.

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

It is not a de Polignac number, because 1275250101 - 213 = 1275241909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275250181) 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 7 ways as a sum of consecutive naturals, for example, 5183821 + ... + 5184066.

It is an arithmetic number, because the mean of its divisors is an integer number (217725648).

Almost surely, 21275250101 is an apocalyptic number.

It is an amenable number.

1275250101 is a deficient number, since it is larger than the sum of its proper divisors (466555083).

1275250101 is a wasteful number, since it uses less digits than its factorization.

1275250101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10367931.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 1275250101 is about 35710.6440854824. The cubic root of 1275250101 is about 1084.4223392655.

Adding to 1275250101 its reverse (1010525721), we get a palindrome (2285775822).

The spelling of 1275250101 in words is "one billion, two hundred seventy-five million, two hundred fifty thousand, one hundred one".

Divisors: 1 3 41 123 10367887 31103661 425083367 1275250101