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1338716213 = 6783240733
BaseRepresentation
bin100111111001011…
…0011000000110101
310110022000211101222
41033302303000311
510220202404323
6340501200125
745113620502
oct11762630065
93408024358
101338716213
1162774133a
12314400045
13184472393
14c9b1c4a9
157c7db9c8
hex4fcb3035

1338716213 has 8 divisors (see below), whose sum is σ = 1375072608. Its totient is φ = 1302841584.

The previous prime is 1338716209. The next prime is 1338716227. The reversal of 1338716213 is 3126178331.

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 1338716213 - 22 = 1338716209 is a prime.

It is a super-2 number, since 2×13387162132 = 3584322197898122738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338716233) 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, 114806 + ... + 125927.

It is an arithmetic number, because the mean of its divisors is an integer number (171884076).

Almost surely, 21338716213 is an apocalyptic number.

It is an amenable number.

1338716213 is a deficient number, since it is larger than the sum of its proper divisors (36356395).

1338716213 is an equidigital number, since it uses as much as digits as its factorization.

1338716213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240883.

The product of its digits is 18144, while the sum is 35.

The square root of 1338716213 is about 36588.4710393862. The cubic root of 1338716213 is about 1102.1215839558.

The spelling of 1338716213 in words is "one billion, three hundred thirty-eight million, seven hundred sixteen thousand, two hundred thirteen".

Divisors: 1 67 83 5561 240733 16129111 19980839 1338716213