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20132550523 is a prime number
BaseRepresentation
bin10010101111111111…
…100101011101111011
31220222001221112101101
4102233333211131323
5312212413104043
613125422232231
71311621566401
oct225777453573
956861845341
1020132550523
1185a1333208
123a9a425677
131b8aca72b7
14d8db4b471
157cc70024d
hex4affe577b

20132550523 has 2 divisors, whose sum is σ = 20132550524. Its totient is φ = 20132550522.

The previous prime is 20132550521. The next prime is 20132550547. The reversal of 20132550523 is 32505523102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20132550523 - 21 = 20132550521 is a prime.

It is a super-2 number, since 2×201325505232 (a number of 21 digits) contains 22 as substring.

Together with 20132550521, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20132550491 and 20132550500.

It is not a weakly prime, because it can be changed into another prime (20132550521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066275261 + 10066275262.

It is an arithmetic number, because the mean of its divisors is an integer number (10066275262).

Almost surely, 220132550523 is an apocalyptic number.

20132550523 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132550523 is an equidigital number, since it uses as much as digits as its factorization.

20132550523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 20132550523 in words is "twenty billion, one hundred thirty-two million, five hundred fifty thousand, five hundred twenty-three".