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1130747309 = 1303867803
BaseRepresentation
bin100001101100101…
…1101010110101101
32220210200220200222
41003121131112231
54303432403214
6304111501125
740010123246
oct10331352655
92823626628
101130747309
1153030620a
122768277a5
13150357b63
14aa263ccd
156940b38e
hex4365d5ad

1130747309 has 4 divisors (see below), whose sum is σ = 1131616416. Its totient is φ = 1129878204.

The previous prime is 1130747251. The next prime is 1130747353. The reversal of 1130747309 is 9037470311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1130747309 - 212 = 1130743213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130747389) 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 3 ways as a sum of consecutive naturals, for example, 432599 + ... + 435204.

It is an arithmetic number, because the mean of its divisors is an integer number (282904104).

Almost surely, 21130747309 is an apocalyptic number.

It is an amenable number.

1130747309 is a deficient number, since it is larger than the sum of its proper divisors (869107).

1130747309 is an equidigital number, since it uses as much as digits as its factorization.

1130747309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869106.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 1130747309 is about 33626.5863417624. The cubic root of 1130747309 is about 1041.8099980462.

The spelling of 1130747309 in words is "one billion, one hundred thirty million, seven hundred forty-seven thousand, three hundred nine".

Divisors: 1 1303 867803 1130747309