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8152161999979 is a prime number
BaseRepresentation
bin111011010100001001010…
…1110000101110001101011
31001212100011012000220011011
41312220102232011301223
52032031111432444404
625201015043444351
71500655113451354
oct166502256056153
931770135026134
108152161999979
112663348a16a28
12ab7b3a6866b7
1347199005b83a
142027d1218d2b
15e20ca757604
hex76a12b85c6b

8152161999979 has 2 divisors, whose sum is σ = 8152161999980. Its totient is φ = 8152161999978.

The previous prime is 8152161999893. The next prime is 8152161999983. The reversal of 8152161999979 is 9799991612518.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8152161999979 - 221 = 8152159902827 is a prime.

It is not a weakly prime, because it can be changed into another prime (8152161991979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4076080999989 + 4076080999990.

It is an arithmetic number, because the mean of its divisors is an integer number (4076080999990).

Almost surely, 28152161999979 is an apocalyptic number.

8152161999979 is a deficient number, since it is larger than the sum of its proper divisors (1).

8152161999979 is an equidigital number, since it uses as much as digits as its factorization.

8152161999979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 198404640, while the sum is 76.

The spelling of 8152161999979 in words is "eight trillion, one hundred fifty-two billion, one hundred sixty-one million, nine hundred ninety-nine thousand, nine hundred seventy-nine".