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1312614197 is a prime number
BaseRepresentation
bin100111000111100…
…1110011100110101
310101110220201011122
41032033032130311
510142012123242
6334125513325
744346015356
oct11617163465
93343821148
101312614197
11613a33524
12307712845
1317bc336bb
14c6485d2d
157a382ad2
hex4e3ce735

1312614197 has 2 divisors, whose sum is σ = 1312614198. Its totient is φ = 1312614196.

The previous prime is 1312614169. The next prime is 1312614293. The reversal of 1312614197 is 7914162131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1310874436 + 1739761 = 36206^2 + 1319^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312614197 - 28 = 1312613941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312614397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656307098 + 656307099.

It is an arithmetic number, because the mean of its divisors is an integer number (656307099).

Almost surely, 21312614197 is an apocalyptic number.

It is an amenable number.

1312614197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312614197 is an equidigital number, since it uses as much as digits as its factorization.

1312614197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 1312614197 is about 36230.0178995264. The cubic root of 1312614197 is about 1094.9115382064.

The spelling of 1312614197 in words is "one billion, three hundred twelve million, six hundred fourteen thousand, one hundred ninety-seven".