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130214312 = 2316276789
BaseRepresentation
bin1111100001011…
…10100110101000
3100002000120110022
413300232212220
5231313324222
620530540012
73140542364
oct760564650
9302016408
10130214312
1167558a38
1237737608
1320c921b7
14134182a4
15b672042
hex7c2e9a8

130214312 has 8 divisors (see below), whose sum is σ = 244151850. Its totient is φ = 65107152.

The previous prime is 130214309. The next prime is 130214317. The reversal of 130214312 is 213412031.

It can be written as a sum of positive squares in only one way, i.e., 107039716 + 23174596 = 10346^2 + 4814^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (130214317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8138387 + ... + 8138402.

Almost surely, 2130214312 is an apocalyptic number.

It is an amenable number.

130214312 is a deficient number, since it is larger than the sum of its proper divisors (113937538).

130214312 is a wasteful number, since it uses less digits than its factorization.

130214312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16276795 (or 16276791 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 130214312 is about 11411.1485837316. The cubic root of 130214312 is about 506.8579237168.

Adding to 130214312 its reverse (213412031), we get a palindrome (343626343).

The spelling of 130214312 in words is "one hundred thirty million, two hundred fourteen thousand, three hundred twelve".

Divisors: 1 2 4 8 16276789 32553578 65107156 130214312