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13045013530 = 251304501353
BaseRepresentation
bin11000010011000101…
…10001110000011010
31020200010111100102021
430021202301300122
5203204010413110
65554235525054
7641160533263
oct141142616032
936603440367
1013045013530
11559462a81a
1226408b978a
1312cb802523
148ba72596a
155153942da
hex3098b1c1a

13045013530 has 8 divisors (see below), whose sum is σ = 23481024372. Its totient is φ = 5218005408.

The previous prime is 13045013519. The next prime is 13045013557. The reversal of 13045013530 is 3531054031.

It can be written as a sum of positive squares in 2 ways, for example, as 12328327089 + 716686441 = 111033^2 + 26771^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13045013495 and 13045013504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652250667 + ... + 652250686.

Almost surely, 213045013530 is an apocalyptic number.

13045013530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13045013530 is a deficient number, since it is larger than the sum of its proper divisors (10436010842).

13045013530 is a wasteful number, since it uses less digits than its factorization.

13045013530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304501360.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 13045013530 its reverse (3531054031), we get a palindrome (16576067561).

It can be divided in two parts, 1304501 and 3530, that added together give a palindrome (1308031).

The spelling of 13045013530 in words is "thirteen billion, forty-five million, thirteen thousand, five hundred thirty".

Divisors: 1 2 5 10 1304501353 2609002706 6522506765 13045013530