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82557530808419 is a prime number
BaseRepresentation
bin10010110001010111101100…
…010011000010000001100011
3101211022102102021021110111202
4102301113230103002001203
541310110310341332134
6451330223413431415
723250404401240352
oct2261275423020143
9354272367243452
1082557530808419
112433a4a7964287
12931425203b56b
13370b1ac56b014
141655b3d209999
1598279e109d7e
hex4b15ec4c2063

82557530808419 has 2 divisors, whose sum is σ = 82557530808420. Its totient is φ = 82557530808418.

The previous prime is 82557530808287. The next prime is 82557530808521. The reversal of 82557530808419 is 91480803575528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82557530808419 - 28 = 82557530808163 is a prime.

It is a super-2 number, since 2×825575308084192 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82557530808019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41278765404209 + 41278765404210.

It is an arithmetic number, because the mean of its divisors is an integer number (41278765404210).

Almost surely, 282557530808419 is an apocalyptic number.

82557530808419 is a deficient number, since it is larger than the sum of its proper divisors (1).

82557530808419 is an equidigital number, since it uses as much as digits as its factorization.

82557530808419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768000, while the sum is 65.

The spelling of 82557530808419 in words is "eighty-two trillion, five hundred fifty-seven billion, five hundred thirty million, eight hundred eight thousand, four hundred nineteen".