Search a number
-
+
755733161 is a prime number
BaseRepresentation
bin101101000010111…
…001001010101001
31221200001020000002
4231002321022221
53021431430121
6202553552345
724504424451
oct5502711251
91850036002
10755733161
11358656567
121911156b5
13c07541b1
1472524d61
1546530e0b
hex2d0b92a9

755733161 has 2 divisors, whose sum is σ = 755733162. Its totient is φ = 755733160.

The previous prime is 755733137. The next prime is 755733211. The reversal of 755733161 is 161337557.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425184400 + 330548761 = 20620^2 + 18181^2 .

It is an emirp because it is prime and its reverse (161337557) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 755733161 - 214 = 755716777 is a prime.

It is a super-2 number, since 2×7557331612 = 1142265221270103842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (755733061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377866580 + 377866581.

It is an arithmetic number, because the mean of its divisors is an integer number (377866581).

Almost surely, 2755733161 is an apocalyptic number.

It is an amenable number.

755733161 is a deficient number, since it is larger than the sum of its proper divisors (1).

755733161 is an equidigital number, since it uses as much as digits as its factorization.

755733161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66150, while the sum is 38.

The square root of 755733161 is about 27490.6013211788. The cubic root of 755733161 is about 910.8694990077.

The spelling of 755733161 in words is "seven hundred fifty-five million, seven hundred thirty-three thousand, one hundred sixty-one".