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2133459857 is a prime number
BaseRepresentation
bin111111100101010…
…0000001110010001
312111200110222201202
41333022200032101
513332131203412
6551411240545
7103604052404
oct17712401621
95450428652
102133459857
119a5311a71
124b65a9155
132800048a9
141634b9d3b
15c74763c2
hex7f2a0391

2133459857 has 2 divisors, whose sum is σ = 2133459858. Its totient is φ = 2133459856.

The previous prime is 2133459803. The next prime is 2133459871. The reversal of 2133459857 is 7589543312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1097199376 + 1036260481 = 33124^2 + 32191^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133459857 - 216 = 2133394321 is a prime.

It is a super-2 number, since 2×21334598572 = 9103301922860920898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2133450857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066729928 + 1066729929.

It is an arithmetic number, because the mean of its divisors is an integer number (1066729929).

Almost surely, 22133459857 is an apocalyptic number.

It is an amenable number.

2133459857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133459857 is an equidigital number, since it uses as much as digits as its factorization.

2133459857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 47.

The square root of 2133459857 is about 46189.3911737317. The cubic root of 2133459857 is about 1287.3446283996.

The spelling of 2133459857 in words is "two billion, one hundred thirty-three million, four hundred fifty-nine thousand, eight hundred fifty-seven".