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2157176033 is a prime number
BaseRepresentation
bin1000000010010011…
…1110010011100001
312120100002220012122
42000210332103201
513404214113113
6554015434025
7104312456645
oct20044762341
95510086178
102157176033
11a07740311
12502525915
13284bb962c
141666d0c25
15c95ad408
hex8093e4e1

2157176033 has 2 divisors, whose sum is σ = 2157176034. Its totient is φ = 2157176032.

The previous prime is 2157176027. The next prime is 2157176051. The reversal of 2157176033 is 3306717512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1698016849 + 459159184 = 41207^2 + 21428^2 .

It is a cyclic number.

It is not a de Polignac number, because 2157176033 - 28 = 2157175777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2157175984 and 2157176002.

It is not a weakly prime, because it can be changed into another prime (2157176933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078588016 + 1078588017.

It is an arithmetic number, because the mean of its divisors is an integer number (1078588017).

Almost surely, 22157176033 is an apocalyptic number.

It is an amenable number.

2157176033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2157176033 is an equidigital number, since it uses as much as digits as its factorization.

2157176033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 2157176033 is about 46445.4091703367. The cubic root of 2157176033 is about 1292.0972301478.

The spelling of 2157176033 in words is "two billion, one hundred fifty-seven million, one hundred seventy-six thousand, thirty-three".