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1299483089 = 1936733073
BaseRepresentation
bin100110101110100…
…1000100111010001
310100120012120200022
41031131020213101
510130131424324
6332540233225
744126265302
oct11535104721
93316176608
101299483089
11607584973
1230323b815
131792b6908
14c48287a9
157913c05e
hex4d7489d1

1299483089 has 4 divisors (see below), whose sum is σ = 1306216356. Its totient is φ = 1292749824.

The previous prime is 1299483071. The next prime is 1299483139. The reversal of 1299483089 is 9803849921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9803849921 = 10197067821.

It can be written as a sum of positive squares in 2 ways, for example, as 263737600 + 1035745489 = 16240^2 + 32183^2 .

It is a cyclic number.

It is not a de Polignac number, because 1299483089 - 212 = 1299478993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1299483089.

It is not an unprimeable number, because it can be changed into a prime (1299483019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3366344 + ... + 3366729.

It is an arithmetic number, because the mean of its divisors is an integer number (326554089).

Almost surely, 21299483089 is an apocalyptic number.

It is an amenable number.

1299483089 is a deficient number, since it is larger than the sum of its proper divisors (6733267).

1299483089 is an equidigital number, since it uses as much as digits as its factorization.

1299483089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733266.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 1299483089 is about 36048.3437761016. The cubic root of 1299483089 is about 1091.2482092722.

The spelling of 1299483089 in words is "one billion, two hundred ninety-nine million, four hundred eighty-three thousand, eighty-nine".

Divisors: 1 193 6733073 1299483089