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1312255067 is a prime number
BaseRepresentation
bin100111000110111…
…0110110001011011
310101110020110112112
41032031312301123
510141414130232
6334114102535
744342661344
oct11615666133
93343213475
101312255067
11613808722
1230757aa4b
1317bb390b6
14c63d10cb
157a3114b2
hex4e376c5b

1312255067 has 2 divisors, whose sum is σ = 1312255068. Its totient is φ = 1312255066.

The previous prime is 1312255051. The next prime is 1312255093. The reversal of 1312255067 is 7605522131.

It is a weak prime.

It is an emirp because it is prime and its reverse (7605522131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1312255067 - 24 = 1312255051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312255027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656127533 + 656127534.

It is an arithmetic number, because the mean of its divisors is an integer number (656127534).

Almost surely, 21312255067 is an apocalyptic number.

1312255067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312255067 is an equidigital number, since it uses as much as digits as its factorization.

1312255067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1312255067 is about 36225.0613111973. The cubic root of 1312255067 is about 1094.8116735120.

Adding to 1312255067 its reverse (7605522131), we get a palindrome (8917777198).

The spelling of 1312255067 in words is "one billion, three hundred twelve million, two hundred fifty-five thousand, sixty-seven".