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2150020747 = 7734207477
BaseRepresentation
bin1000000000100110…
…1011011010001011
312112211122101000001
42000021223122023
513400401130442
6553202223431
7104164606030
oct20011533213
95484571001
102150020747
11a036a3456
12500054b77
13283582834
1416578b387
15c8b482b7
hex8026b68b

2150020747 has 8 divisors (see below), whose sum is σ = 2490826976. Its totient is φ = 1817629632.

The previous prime is 2150020727. The next prime is 2150020759. The reversal of 2150020747 is 7470200512.

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

It is not a de Polignac number, because 2150020747 - 211 = 2150018699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150020727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103228 + ... + 2104249.

It is an arithmetic number, because the mean of its divisors is an integer number (311353372).

Almost surely, 22150020747 is an apocalyptic number.

2150020747 is a deficient number, since it is larger than the sum of its proper divisors (340806229).

2150020747 is an equidigital number, since it uses as much as digits as its factorization.

2150020747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207557.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 2150020747 is about 46368.3161975934. The cubic root of 2150020747 is about 1290.6670321929.

The spelling of 2150020747 in words is "two billion, one hundred fifty million, twenty thousand, seven hundred forty-seven".

Divisors: 1 7 73 511 4207477 29452339 307145821 2150020747