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20212633087 is a prime number
BaseRepresentation
bin10010110100110001…
…000100110111111111
31221011122122011000021
4102310301010313333
5312343413224322
613141402513011
71313613355303
oct226461046777
957148564007
1020212633087
118632560449
123b01205767
131ba176612a
14d9a635d03
157d476d4c7
hex4b4c44dff

20212633087 has 2 divisors, whose sum is σ = 20212633088. Its totient is φ = 20212633086.

The previous prime is 20212633039. The next prime is 20212633099. The reversal of 20212633087 is 78033621202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20212633087 - 215 = 20212600319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20212633037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106316543 + 10106316544.

It is an arithmetic number, because the mean of its divisors is an integer number (10106316544).

Almost surely, 220212633087 is an apocalyptic number.

20212633087 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212633087 is an equidigital number, since it uses as much as digits as its factorization.

20212633087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 20212633087 in words is "twenty billion, two hundred twelve million, six hundred thirty-three thousand, eighty-seven".