Search a number
-
+
1319797514 = 27731291387
BaseRepresentation
bin100111010101010…
…1000001100001010
310101222102122211102
41032222220030022
510200332010024
6334543501402
744464044110
oct11652501412
93358378742
101319797514
11617a9a452
12309bb7862
1318057a199
14c73d5ab0
157ad011ae
hex4eaa830a

1319797514 has 16 divisors (see below), whose sum is σ = 2293505088. Its totient is φ = 557878752.

The previous prime is 1319797489. The next prime is 1319797517. The reversal of 1319797514 is 4157979131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1319797517) 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, 644672 + ... + 646715.

It is an arithmetic number, because the mean of its divisors is an integer number (143344068).

Almost surely, 21319797514 is an apocalyptic number.

1319797514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1319797514 is a deficient number, since it is larger than the sum of its proper divisors (973707574).

1319797514 is a wasteful number, since it uses less digits than its factorization.

1319797514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291469.

The product of its digits is 238140, while the sum is 47.

The square root of 1319797514 is about 36329.0175204340. The cubic root of 1319797514 is about 1096.9052168839.

The spelling of 1319797514 in words is "one billion, three hundred nineteen million, seven hundred ninety-seven thousand, five hundred fourteen".

Divisors: 1 2 7 14 73 146 511 1022 1291387 2582774 9039709 18079418 94271251 188542502 659898757 1319797514