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7125273901 is a prime number
BaseRepresentation
bin1101010001011001…
…10000110100101101
3200101120110102021101
412220230300310231
5104043032231101
63135011203101
7341366554204
oct65054606455
920346412241
107125273901
113027038819
12146a2a6491
13897258505
144b844a23b
152ba812401
hex1a8b30d2d

7125273901 has 2 divisors, whose sum is σ = 7125273902. Its totient is φ = 7125273900.

The previous prime is 7125273851. The next prime is 7125273917. The reversal of 7125273901 is 1093725217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6666885801 + 458388100 = 81651^2 + 21410^2 .

It is a cyclic number.

It is not a de Polignac number, because 7125273901 - 27 = 7125273773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7125273101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3562636950 + 3562636951.

It is an arithmetic number, because the mean of its divisors is an integer number (3562636951).

Almost surely, 27125273901 is an apocalyptic number.

It is an amenable number.

7125273901 is a deficient number, since it is larger than the sum of its proper divisors (1).

7125273901 is an equidigital number, since it uses as much as digits as its factorization.

7125273901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 7125273901 is about 84411.3375145780. The cubic root of 7125273901 is about 1924.2752228267.

The spelling of 7125273901 in words is "seven billion, one hundred twenty-five million, two hundred seventy-three thousand, nine hundred one".