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78460463445 = 3571357480193
BaseRepresentation
bin100100100010010011…
…0111010100101010101
321111112001012111212120
41021010212322211111
52241141334312240
6100013320010153
75445215635560
oct1110446724525
9244461174776
1078460463445
1130302982521
1213258300959
1375251abc40
143b245034d7
152093264ad0
hex12449ba955

78460463445 has 32 divisors (see below), whose sum is σ = 154506761472. Its totient is φ = 33108590592.

The previous prime is 78460463407. The next prime is 78460463489. The reversal of 78460463445 is 54436406487.

It is not a de Polignac number, because 78460463445 - 26 = 78460463381 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 28738732 + ... + 28741461.

It is an arithmetic number, because the mean of its divisors is an integer number (4828336296).

Almost surely, 278460463445 is an apocalyptic number.

It is an amenable number.

78460463445 is a deficient number, since it is larger than the sum of its proper divisors (76046298027).

78460463445 is a wasteful number, since it uses less digits than its factorization.

78460463445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57480221.

The product of its (nonzero) digits is 7741440, while the sum is 51.

The spelling of 78460463445 in words is "seventy-eight billion, four hundred sixty million, four hundred sixty-three thousand, four hundred forty-five".

Divisors: 1 3 5 7 13 15 21 35 39 65 91 105 195 273 455 1365 57480193 172440579 287400965 402361351 747242509 862202895 1207084053 2011806755 2241727527 3736212545 5230697563 6035420265 11208637635 15692092689 26153487815 78460463445