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712140130 = 25135478001
BaseRepresentation
bin101010011100100…
…110010101100010
31211122000110121101
4222130212111202
52424301441010
6154355345014
723435043202
oct5234462542
91748013541
10712140130
11335a91469
1217a5b216a
13b47000c0
146a818402
15427be73a
hex2a726562

712140130 has 16 divisors (see below), whose sum is σ = 1380456504. Its totient is φ = 262944000.

The previous prime is 712140113. The next prime is 712140133. The reversal of 712140130 is 31041217.

It can be written as a sum of positive squares in 4 ways, for example, as 655001649 + 57138481 = 25593^2 + 7559^2 .

It is a junction number, because it is equal to n+sod(n) for n = 712140098 and 712140107.

It is not an unprimeable number, because it can be changed into a prime (712140133) 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, 2738871 + ... + 2739130.

Almost surely, 2712140130 is an apocalyptic number.

712140130 is a deficient number, since it is larger than the sum of its proper divisors (668316374).

712140130 is a wasteful number, since it uses less digits than its factorization.

712140130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478021.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 712140130 is about 26685.9537959579. The cubic root of 712140130 is about 893.0075962414.

Adding to 712140130 its reverse (31041217), we get a palindrome (743181347).

The spelling of 712140130 in words is "seven hundred twelve million, one hundred forty thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 5478001 10956002 27390005 54780010 71214013 142428026 356070065 712140130