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2051030255 = 5410206051
BaseRepresentation
bin111101001000000…
…0011110011101111
312021221101010120112
41322100003303233
513200030432010
6535304410235
7101553320021
oct17220036357
95257333515
102051030255
1196283142a
12492a7697b
13268c03691
14156580011
15c00e2a05
hex7a403cef

2051030255 has 4 divisors (see below), whose sum is σ = 2461236312. Its totient is φ = 1640824200.

The previous prime is 2051030251. The next prime is 2051030257. The reversal of 2051030255 is 5520301502.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2051030255 - 22 = 2051030251 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 2051030255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051030251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 205103021 + ... + 205103030.

It is an arithmetic number, because the mean of its divisors is an integer number (615309078).

Almost surely, 22051030255 is an apocalyptic number.

2051030255 is a deficient number, since it is larger than the sum of its proper divisors (410206057).

2051030255 is an equidigital number, since it uses as much as digits as its factorization.

2051030255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410206056.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 2051030255 is about 45288.3015247867. The cubic root of 2051030255 is about 1270.5468649458.

Adding to 2051030255 its reverse (5520301502), we get a palindrome (7571331757).

The spelling of 2051030255 in words is "two billion, fifty-one million, thirty thousand, two hundred fifty-five".

Divisors: 1 5 410206051 2051030255