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1330270729 = 3167640477
BaseRepresentation
bin100111101001010…
…0101001000001001
310102201010202101021
41033102211020021
510211022130404
6340000152441
744652054214
oct11722451011
93381122337
101330270729
116229a30a7
12311608721
131827a6258
14c896077b
157bbbe454
hex4f4a5209

1330270729 has 8 divisors (see below), whose sum is σ = 1393680128. Its totient is φ = 1268142480.

The previous prime is 1330270717. The next prime is 1330270741. The reversal of 1330270729 is 9270720331.

It is an interprime number because it is at equal distance from previous prime (1330270717) and next prime (1330270741).

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-1330270729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330270694 and 1330270703.

It is not an unprimeable number, because it can be changed into a prime (1330270429) 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, 318162 + ... + 322315.

It is an arithmetic number, because the mean of its divisors is an integer number (174210016).

Almost surely, 21330270729 is an apocalyptic number.

It is an amenable number.

1330270729 is a deficient number, since it is larger than the sum of its proper divisors (63409399).

1330270729 is an equidigital number, since it uses as much as digits as its factorization.

1330270729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640575.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 1330270729 is about 36472.8766208535. The cubic root of 1330270729 is about 1099.7990621949.

The spelling of 1330270729 in words is "one billion, three hundred thirty million, two hundred seventy thousand, seven hundred twenty-nine".

Divisors: 1 31 67 2077 640477 19854787 42911959 1330270729