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2056200191 = 19324144207
BaseRepresentation
bin111101010001111…
…0001111111111111
312022022002210101122
41322203301333333
513202341401231
6540011301155
7101645261513
oct17243617777
95268083348
102056200191
11965742701
1249474a7bb
13269cc3906
14157128143
15c07b477b
hex7a8f1fff

2056200191 has 8 divisors (see below), whose sum is σ = 2075477184. Its totient is φ = 2037012480.

The previous prime is 2056200151. The next prime is 2056200193. The reversal of 2056200191 is 1910026502.

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 2056200191 - 218 = 2055938047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2056200191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056200193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24410 + ... + 68616.

It is an arithmetic number, because the mean of its divisors is an integer number (259434648).

Almost surely, 22056200191 is an apocalyptic number.

2056200191 is a deficient number, since it is larger than the sum of its proper divisors (19276993).

2056200191 is a wasteful number, since it uses less digits than its factorization.

2056200191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44641.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 2056200191 is about 45345.3436529044. The cubic root of 2056200191 is about 1271.6135052490.

Adding to 2056200191 its reverse (1910026502), we get a palindrome (3966226693).

The spelling of 2056200191 in words is "two billion, fifty-six million, two hundred thousand, one hundred ninety-one".

Divisors: 1 193 241 44207 46513 8531951 10653887 2056200191