Search a number
-
+
245200450145 = 57149211122273
BaseRepresentation
bin1110010001011100010…
…1011111001001100001
3212102220102220110110112
43210113011133021201
513004132303401040
6304351000341105
723500203303020
oct3442705371141
9772812813415
10245200450145
1194a97297422
123b631174795
131a178914471
14bc2120c8b7
1565a17aa365
hex391715f261

245200450145 has 32 divisors (see below), whose sum is σ = 338707353600. Its totient is φ = 166922403840.

The previous prime is 245200450063. The next prime is 245200450163. The reversal of 245200450145 is 541054002542.

245200450145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245200450145 - 210 = 245200449121 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10997729 + ... + 11020001.

It is an arithmetic number, because the mean of its divisors is an integer number (10584604800).

Almost surely, 2245200450145 is an apocalyptic number.

It is an amenable number.

245200450145 is a deficient number, since it is larger than the sum of its proper divisors (93506903455).

245200450145 is a wasteful number, since it uses less digits than its factorization.

245200450145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24545.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 245200450145 its reverse (541054002542), we get a palindrome (786254452687).

The spelling of 245200450145 in words is "two hundred forty-five billion, two hundred million, four hundred fifty thousand, one hundred forty-five".

Divisors: 1 5 7 35 149 745 1043 2111 5215 10555 14777 22273 73885 111365 155911 314539 779555 1572695 2201773 3318677 11008865 16593385 23230739 47018303 116153695 235091515 329128121 1645640605 7005727147 35028635735 49040090029 245200450145