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8720083055 = 52027860393
BaseRepresentation
bin10000001111100000…
…11110100001101111
3211111201101010011002
420013300132201233
5120324320124210
64001141350515
7426043324445
oct100760364157
924451333132
108720083055
113775294512
12183440843b
13a8c794678
145ca18cb95
153608384a5
hex207c1e86f

8720083055 has 8 divisors (see below), whose sum is σ = 10469274192. Its totient is φ = 6972616768.

The previous prime is 8720083033. The next prime is 8720083067. The reversal of 8720083055 is 5503800278.

8720083055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8720083055 - 214 = 8720066671 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 420062 + ... + 440331.

It is an arithmetic number, because the mean of its divisors is an integer number (1308659274).

Almost surely, 28720083055 is an apocalyptic number.

8720083055 is a deficient number, since it is larger than the sum of its proper divisors (1749191137).

8720083055 is a wasteful number, since it uses less digits than its factorization.

8720083055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862425.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 8720083055 is about 93381.3849490357. The cubic root of 8720083055 is about 2058.2914679409.

The spelling of 8720083055 in words is "eight billion, seven hundred twenty million, eighty-three thousand, fifty-five".

Divisors: 1 5 2027 10135 860393 4301965 1744016611 8720083055