Search a number
-
+
178836152051 is a prime number
BaseRepresentation
bin1010011010001101110…
…1110001111011110011
3122002121101202211000002
42212203131301323303
510412224023331201
6214053423220215
715630504132254
oct2464335617363
9562541684002
10178836152051
1169931388a77
122a7aba4766b
1313b3079a31b
1489273dab2b
1549ba45e76b
hex29a3771ef3

178836152051 has 2 divisors, whose sum is σ = 178836152052. Its totient is φ = 178836152050.

The previous prime is 178836152023. The next prime is 178836152093. The reversal of 178836152051 is 150251638871.

It is a weak prime.

It is an emirp because it is prime and its reverse (150251638871) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-178836152051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 178836151987 and 178836152005.

It is not a weakly prime, because it can be changed into another prime (178836152851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89418076025 + 89418076026.

It is an arithmetic number, because the mean of its divisors is an integer number (89418076026).

Almost surely, 2178836152051 is an apocalyptic number.

178836152051 is a deficient number, since it is larger than the sum of its proper divisors (1).

178836152051 is an equidigital number, since it uses as much as digits as its factorization.

178836152051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 178836152051 in words is "one hundred seventy-eight billion, eight hundred thirty-six million, one hundred fifty-two thousand, fifty-one".