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78649000711 = 139971582719
BaseRepresentation
bin100100100111111011…
…0001000001100000111
321112000011222012101021
41021033312020030013
52242033121010321
6100044133012011
75452665322111
oct1111766101407
9245004865337
1078649000711
113039a346346
12132ab484007
137555281958
143b415803b1
1520a4aa7941
hex124fd88307

78649000711 has 8 divisors (see below), whose sum is σ = 79296537600. Its totient is φ = 78002631480.

The previous prime is 78649000699. The next prime is 78649000789. The reversal of 78649000711 is 11700094687.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-78649000711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78649000511) by changing a digit.

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, 156391 + ... + 426328.

It is an arithmetic number, because the mean of its divisors is an integer number (9912067200).

Almost surely, 278649000711 is an apocalyptic number.

78649000711 is the 125419-th centered decagonal number.

78649000711 is a deficient number, since it is larger than the sum of its proper divisors (647536889).

78649000711 is a wasteful number, since it uses less digits than its factorization.

78649000711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583829.

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 78649000711 in words is "seventy-eight billion, six hundred forty-nine million, seven hundred eleven", and thus it is an aban number.

Divisors: 1 139 971 134969 582719 80997941 565820149 78649000711