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1315332212 = 221093016817
BaseRepresentation
bin100111001100110…
…0110000001110100
310101200000210120212
41032121212001310
510143211112322
6334304044552
744411065535
oct11631460164
93350023525
101315332212
1161551a617
12308603758
1317c6758ac
14c699268c
157a71d0e2
hex4e666074

1315332212 has 12 divisors (see below), whose sum is σ = 2322949860. Its totient is φ = 651632256.

The previous prime is 1315332199. The next prime is 1315332223. The reversal of 1315332212 is 2122335131.

It can be written as a sum of positive squares in 2 ways, for example, as 657204496 + 658127716 = 25636^2 + 25654^2 .

It is a congruent number.

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, 1507973 + ... + 1508844.

It is an arithmetic number, because the mean of its divisors is an integer number (193579155).

Almost surely, 21315332212 is an apocalyptic number.

It is an amenable number.

1315332212 is a deficient number, since it is larger than the sum of its proper divisors (1007617648).

1315332212 is a wasteful number, since it uses less digits than its factorization.

1315332212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016930 (or 3016928 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 1315332212 is about 36267.5090404621. The cubic root of 1315332212 is about 1095.6667573810. Note that the first 3 decimals are identical.

Adding to 1315332212 its reverse (2122335131), we get a palindrome (3437667343).

The spelling of 1315332212 in words is "one billion, three hundred fifteen million, three hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 4 109 218 436 3016817 6033634 12067268 328833053 657666106 1315332212