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1311829049 = 7926776203
BaseRepresentation
bin100111000110000…
…1110110000111001
310101102102211011002
41032030032300321
510141312012144
6334101014345
744336235326
oct11614166071
93342384132
101311829049
11613547643
123073b43b5
1317ba1a20b
14c631db4d
157a27a14e
hex4e30ec39

1311829049 has 8 divisors (see below), whose sum is σ = 1329144960. Its totient is φ = 1294531056.

The previous prime is 1311829039. The next prime is 1311829063. The reversal of 1311829049 is 9409281131.

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

It is a cyclic number.

It is not a de Polignac number, because 1311829049 - 24 = 1311829033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311829039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208382 + ... + 214584.

It is an arithmetic number, because the mean of its divisors is an integer number (166143120).

Almost surely, 21311829049 is an apocalyptic number.

It is an amenable number.

1311829049 is a deficient number, since it is larger than the sum of its proper divisors (17315911).

1311829049 is an equidigital number, since it uses as much as digits as its factorization.

1311829049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8959.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1311829049 is about 36219.1806781987. The cubic root of 1311829049 is about 1094.6931853783.

The spelling of 1311829049 in words is "one billion, three hundred eleven million, eight hundred twenty-nine thousand, forty-nine".

Divisors: 1 79 2677 6203 211483 490037 16605431 1311829049