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78352834071 = 345491574127
BaseRepresentation
bin100100011111000110…
…0010101111000010111
321111020112200101010110
41020332030111320113
52240431311142241
655554513054103
75442441046401
oct1107614257027
9244215611113
1078352834071
113025814aa26
1213228257333
137508ac6915
143b140c7b71
152088aa4816
hex123e315e17

78352834071 has 8 divisors (see below), whose sum is σ = 104472923904. Its totient is φ = 52233983480.

The previous prime is 78352834061. The next prime is 78352834073. The reversal of 78352834071 is 17043825387.

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

It is a cyclic number.

It is not a de Polignac number, because 78352834071 - 214 = 78352817687 is a prime.

It is a super-2 number, since 2×783528340712 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78352834071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78352834073) 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 7 ways as a sum of consecutive naturals, for example, 150591 + ... + 423536.

It is an arithmetic number, because the mean of its divisors is an integer number (13059115488).

Almost surely, 278352834071 is an apocalyptic number.

78352834071 is a deficient number, since it is larger than the sum of its proper divisors (26120089833).

78352834071 is a wasteful number, since it uses less digits than its factorization.

78352834071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619621.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 78352834071 in words is "seventy-eight billion, three hundred fifty-two million, eight hundred thirty-four thousand, seventy-one".

Divisors: 1 3 45491 136473 574127 1722381 26117611357 78352834071