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8195552137 is a prime number
BaseRepresentation
bin1111010000111111…
…00011001110001001
3210011011101012000001
413220133203032021
5113241030132022
63433123043001
7410044021003
oct75037431611
923134335001
108195552137
1135261a2693
121708810461
13a07c00a46
1457a64d373
1532e776b27
hex1e87e3389

8195552137 has 2 divisors, whose sum is σ = 8195552138. Its totient is φ = 8195552136.

The previous prime is 8195552129. The next prime is 8195552203. The reversal of 8195552137 is 7312555918.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7544485881 + 651066256 = 86859^2 + 25516^2 .

It is a cyclic number.

It is not a de Polignac number, because 8195552137 - 23 = 8195552129 is a prime.

It is not a weakly prime, because it can be changed into another prime (8195552437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4097776068 + 4097776069.

It is an arithmetic number, because the mean of its divisors is an integer number (4097776069).

Almost surely, 28195552137 is an apocalyptic number.

It is an amenable number.

8195552137 is a deficient number, since it is larger than the sum of its proper divisors (1).

8195552137 is an equidigital number, since it uses as much as digits as its factorization.

8195552137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378000, while the sum is 46.

The square root of 8195552137 is about 90529.2888351610. The cubic root of 8195552137 is about 2016.1650057089.

The spelling of 8195552137 in words is "eight billion, one hundred ninety-five million, five hundred fifty-two thousand, one hundred thirty-seven".