Search a number
-
+
245202141220 = 22512260107061
BaseRepresentation
bin1110010001011100101…
…1111100000000100100
3212102220120002101011221
43210113023330000210
513004133222004340
6304351100510124
723500223545201
oct3442713740044
9772816071157
10245202141220
1194a98241a03
123b63184b344
131a1790870ba
14bc2152cca8
1565a19e144a
hex39172fc024

245202141220 has 12 divisors (see below), whose sum is σ = 514924496604. Its totient is φ = 98080856480.

The previous prime is 245202141199. The next prime is 245202141227. The reversal of 245202141220 is 22141202542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 177497060416 + 67705080804 = 421304^2 + 260202^2 .

It is not an unprimeable number, because it can be changed into a prime (245202141227) 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, 6130053511 + ... + 6130053550.

It is an arithmetic number, because the mean of its divisors is an integer number (42910374717).

Almost surely, 2245202141220 is an apocalyptic number.

245202141220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245202141220 is an abundant number, since it is smaller than the sum of its proper divisors (269722355384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245202141220 is a wasteful number, since it uses less digits than its factorization.

245202141220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12260107070 (or 12260107068 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 245202141220 its reverse (22141202542), we get a palindrome (267343343762).

It can be divided in two parts, 2452021 and 41220, that added together give a square (2493241 = 15792).

The spelling of 245202141220 in words is "two hundred forty-five billion, two hundred two million, one hundred forty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 12260107061 24520214122 49040428244 61300535305 122601070610 245202141220