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78960567145 = 540139381829
BaseRepresentation
bin100100110001001101…
…0101010001101101001
321112210220020102011211
41021202122222031221
52243202401122040
6100135102553121
75463500514055
oct1114232521551
9245726212154
1078960567145
113053a1aa869
12133778987a1
1375a499c2a5
143b70ac4c65
1520c20ed8ea
hex12626aa369

78960567145 has 8 divisors (see below), whose sum is σ = 94988973960. Its totient is φ = 63010924800.

The previous prime is 78960567083. The next prime is 78960567163. The reversal of 78960567145 is 54176506987.

It can be written as a sum of positive squares in 4 ways, for example, as 50569665129 + 28390902016 = 224877^2 + 168496^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78960567145 - 211 = 78960565097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78960567145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19688910 + ... + 19692919.

It is an arithmetic number, because the mean of its divisors is an integer number (11873621745).

Almost surely, 278960567145 is an apocalyptic number.

It is an amenable number.

78960567145 is a deficient number, since it is larger than the sum of its proper divisors (16028406815).

78960567145 is a wasteful number, since it uses less digits than its factorization.

78960567145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39382235.

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 78960567145 in words is "seventy-eight billion, nine hundred sixty million, five hundred sixty-seven thousand, one hundred forty-five".

Divisors: 1 5 401 2005 39381829 196909145 15792113429 78960567145