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13083130 = 251308313
BaseRepresentation
bin110001111010…
…000111111010
3220121200200101
4301322013322
511322130010
61144230014
7216130144
oct61720772
926550611
1013083130
117426605
12446b30a
132930cc8
141a47c94
15123673a
hexc7a1fa

13083130 has 8 divisors (see below), whose sum is σ = 23549652. Its totient is φ = 5233248.

The previous prime is 13083071. The next prime is 13083131. The reversal of 13083130 is 3138031.

It can be written as a sum of positive squares in 2 ways, for example, as 13082689 + 441 = 3617^2 + 21^2 .

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 = 13083098 and 13083107.

It is not an unprimeable number, because it can be changed into a prime (13083131) 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, 654147 + ... + 654166.

Almost surely, 213083130 is an apocalyptic number.

13083130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13083130 is a deficient number, since it is larger than the sum of its proper divisors (10466522).

13083130 is a wasteful number, since it uses less digits than its factorization.

13083130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308320.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 13083130 is about 3617.0609616096. The cubic root of 13083130 is about 235.6336002649.

The spelling of 13083130 in words is "thirteen million, eighty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 1308313 2616626 6541565 13083130