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20132211157 is a prime number
BaseRepresentation
bin10010101111111110…
…010010100111010101
31220222001022021212021
4102233332102213111
5312212321224112
613125411053141
71311615654112
oct225776224725
956861267767
1020132211157
1185a1121243
123a9a2a11b1
131b8abb89a6
14d8da9d909
157cc684907
hex4aff929d5

20132211157 has 2 divisors, whose sum is σ = 20132211158. Its totient is φ = 20132211156.

The previous prime is 20132211107. The next prime is 20132211227. The reversal of 20132211157 is 75111223102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13001928676 + 7130282481 = 114026^2 + 84441^2 .

It is a cyclic number.

It is not a de Polignac number, because 20132211157 - 215 = 20132178389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20132211107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066105578 + 10066105579.

It is an arithmetic number, because the mean of its divisors is an integer number (10066105579).

Almost surely, 220132211157 is an apocalyptic number.

It is an amenable number.

20132211157 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132211157 is an equidigital number, since it uses as much as digits as its factorization.

20132211157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

Adding to 20132211157 its reverse (75111223102), we get a palindrome (95243434259).

The spelling of 20132211157 in words is "twenty billion, one hundred thirty-two million, two hundred eleven thousand, one hundred fifty-seven".