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78465532537327 = 138129974242121
BaseRepresentation
bin10001110101110100101110…
…001100011010100111101111
3101021211020020212121100211211
4101311310232030122213233
540241034402312143302
6434514322405255251
722345643020646365
oct2165645614324757
9337736225540754
1078465532537327
1123002055585a11
128973190104527
1334a236395cbb0
141553a75843635
15911106652ad7
hex475d2e31a9ef

78465532537327 has 8 divisors (see below), whose sum is σ = 84502383260400. Its totient is φ = 72428830461120.

The previous prime is 78465532537253. The next prime is 78465532537333. The reversal of 78465532537327 is 72373523556487.

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 78465532537327 - 27 = 78465532537199 is a prime.

It is a super-2 number, since 2×784655325373272 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78465532537927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36064174 + ... + 38177947.

It is an arithmetic number, because the mean of its divisors is an integer number (10562797907550).

Almost surely, 278465532537327 is an apocalyptic number.

78465532537327 is a deficient number, since it is larger than the sum of its proper divisors (6036850723073).

78465532537327 is a wasteful number, since it uses less digits than its factorization.

78465532537327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74323433.

The product of its digits is 889056000, while the sum is 67.

The spelling of 78465532537327 in words is "seventy-eight trillion, four hundred sixty-five billion, five hundred thirty-two million, five hundred thirty-seven thousand, three hundred twenty-seven".

Divisors: 1 13 81299 1056887 74242121 965147573 6035810195179 78465532537327