Search a number
-
+
2051284090 = 251712066377
BaseRepresentation
bin111101001000100…
…0001110001111010
312021221212000202211
41322101001301322
513200112042330
6535314045334
7101555425042
oct17221016172
95257760684
102051284090
11962995109
12492b7984a
13268c9208b
14156608722
15c0142d2a
hex7a441c7a

2051284090 has 16 divisors (see below), whose sum is σ = 3909506472. Its totient is φ = 772248064.

The previous prime is 2051284063. The next prime is 2051284091. The reversal of 2051284090 is 904821502.

It can be written as a sum of positive squares in 4 ways, for example, as 2051274681 + 9409 = 45291^2 + 97^2 .

It is not an unprimeable number, because it can be changed into a prime (2051284091) 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, 6033019 + ... + 6033358.

Almost surely, 22051284090 is an apocalyptic number.

2051284090 is a deficient number, since it is larger than the sum of its proper divisors (1858222382).

2051284090 is a wasteful number, since it uses less digits than its factorization.

2051284090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12066401.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 2051284090 is about 45291.1038726150. The cubic root of 2051284090 is about 1270.5992769728.

The spelling of 2051284090 in words is "two billion, fifty-one million, two hundred eighty-four thousand, ninety".

Divisors: 1 2 5 10 17 34 85 170 12066377 24132754 60331885 120663770 205128409 410256818 1025642045 2051284090