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2078084073 = 31353284207
BaseRepresentation
bin111101111011101…
…0000101111101001
312100211021121102210
41323313100233221
513223442142243
6542112315333
7102332265102
oct17367205751
95324247383
102078084073
1197702a35a
1249bb42b49
132716b6660
14159dc33a9
15c2688933
hex7bdd0be9

2078084073 has 8 divisors (see below), whose sum is σ = 2983915648. Its totient is φ = 1278820944.

The previous prime is 2078084009. The next prime is 2078084111. The reversal of 2078084073 is 3704808702.

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

It is not a de Polignac number, because 2078084073 - 26 = 2078084009 is a prime.

It is a super-4 number, since 4×20780840734 (a number of 38 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 53284207 = 2078084073 / (2 + 0 + 7 + 8 + 0 + 8 + 4 + 0 + 7 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2078084873) 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, 26642065 + ... + 26642142.

It is an arithmetic number, because the mean of its divisors is an integer number (372989456).

Almost surely, 22078084073 is an apocalyptic number.

It is an amenable number.

2078084073 is a deficient number, since it is larger than the sum of its proper divisors (905831575).

2078084073 is a wasteful number, since it uses less digits than its factorization.

2078084073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53284223.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 2078084073 is about 45586.0074255248. The cubic root of 2078084073 is about 1276.1088030783.

The spelling of 2078084073 in words is "two billion, seventy-eight million, eighty-four thousand, seventy-three".

Divisors: 1 3 13 39 53284207 159852621 692694691 2078084073