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78065006011 = 298954375563
BaseRepresentation
bin100100010110100001…
…0010111010110111011
321110111111002012020221
41020231002113112323
52234334120143021
655510152000511
75432344413466
oct1105502272673
9243444065227
1078065006011
113011a72a4a3
1213167990137
13749129b165
143ac7ba22dd
15206d69c241
hex122d0975bb

78065006011 has 16 divisors (see below), whose sum is σ = 81693986400. Its totient is φ = 74499118848.

The previous prime is 78065005933. The next prime is 78065006021. The reversal of 78065006011 is 11060056087.

It is a cyclic number.

It is not a de Polignac number, because 78065006011 - 27 = 78065005883 is a prime.

It is a super-2 number, since 2×780650060112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78065006021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14030116 + ... + 14035678.

It is an arithmetic number, because the mean of its divisors is an integer number (5105874150).

Almost surely, 278065006011 is an apocalyptic number.

78065006011 is a deficient number, since it is larger than the sum of its proper divisors (3628980389).

78065006011 is a wasteful number, since it uses less digits than its factorization.

78065006011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11118.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 78065006011 in words is "seventy-eight billion, sixty-five million, six thousand, eleven".

Divisors: 1 29 89 2581 5437 5563 157673 161327 483893 495107 14032897 14358103 30246031 877134899 2691896759 78065006011