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7220106437 = 41317555521
BaseRepresentation
bin1101011100101101…
…00001010011000101
3200122011220102001112
412232112201103011
5104241321401222
63152235534405
7343630614665
oct65626412305
920564812045
107220106437
11307561a915
121495bba405
138b0aacc3b
144c6c941a5
152c3ce5be2
hex1ae5a14c5

7220106437 has 8 divisors (see below), whose sum is σ = 7419551832. Its totient is φ = 7021772800.

The previous prime is 7220106427. The next prime is 7220106541. The reversal of 7220106437 is 7346010227.

7220106437 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 87628321 + 7132478116 = 9361^2 + 84454^2 .

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 7220106437 - 222 = 7215912133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220106427) 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, 264764 + ... + 290757.

It is an arithmetic number, because the mean of its divisors is an integer number (927443979).

Almost surely, 27220106437 is an apocalyptic number.

It is an amenable number.

7220106437 is a deficient number, since it is larger than the sum of its proper divisors (199445395).

7220106437 is a wasteful number, since it uses less digits than its factorization.

7220106437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555879.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 7220106437 is about 84971.2094594398. The cubic root of 7220106437 is about 1932.7745571025.

The spelling of 7220106437 in words is "seven billion, two hundred twenty million, one hundred six thousand, four hundred thirty-seven".

Divisors: 1 41 317 12997 555521 22776361 176100157 7220106437