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130127012 = 2232531753
BaseRepresentation
bin1111100000110…
…01010010100100
3100001212010200222
413300121102210
5231303031022
620525023512
73140030021
oct760312244
9301763628
10130127012
11674a9394
12376b4b98
1320c61542
14133d4548
15b656242
hex7c194a4

130127012 has 6 divisors (see below), whose sum is σ = 227722278. Its totient is φ = 65063504.

The previous prime is 130127003. The next prime is 130127017. The reversal of 130127012 is 210721031.

It can be written as a sum of positive squares in only one way, i.e., 126652516 + 3474496 = 11254^2 + 1864^2 .

It is not an unprimeable number, because it can be changed into a prime (130127017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16265873 + ... + 16265880.

It is an arithmetic number, because the mean of its divisors is an integer number (37953713).

Almost surely, 2130127012 is an apocalyptic number.

It is an amenable number.

130127012 is a deficient number, since it is larger than the sum of its proper divisors (97595266).

130127012 is a wasteful number, since it uses less digits than its factorization.

130127012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32531757 (or 32531755 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 130127012 is about 11407.3227358570. The cubic root of 130127012 is about 506.7446269311.

Adding to 130127012 its reverse (210721031), we get a palindrome (340848043).

The spelling of 130127012 in words is "one hundred thirty million, one hundred twenty-seven thousand, twelve".

Divisors: 1 2 4 32531753 65063506 130127012