Search a number
-
+
254542141220 = 225591012135779
BaseRepresentation
bin1110110100001111100…
…1001101011100100100
3220100000110221112111212
43231003321031130210
513132300242004340
6312533545250552
724250535333663
oct3550371153444
9810013845455
10254542141220
1198a50448174
12413b9793a58
131b0070cba13
14c469b6adda
15694b97da65
hex3b43e4d724

254542141220 has 48 divisors (see below), whose sum is σ = 548980891200. Its totient is φ = 99100099200.

The previous prime is 254542141213. The next prime is 254542141223. The reversal of 254542141220 is 22141245452.

It is not an unprimeable number, because it can be changed into a prime (254542141223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948710 + ... + 1187069.

It is an arithmetic number, because the mean of its divisors is an integer number (11437101900).

Almost surely, 2254542141220 is an apocalyptic number.

254542141220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254542141220 is an abundant number, since it is smaller than the sum of its proper divisors (294438749980).

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

254542141220 is a wasteful number, since it uses less digits than its factorization.

254542141220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135948 (or 2135946 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 254542141220 its reverse (22141245452), we get a palindrome (276683386672).

The spelling of 254542141220 in words is "two hundred fifty-four billion, five hundred forty-two million, one hundred forty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 59 101 118 202 236 295 404 505 590 1010 1180 2020 5959 11918 23836 29795 59590 119180 2135779 4271558 8543116 10678895 21357790 42715580 126010961 215713679 252021922 431427358 504043844 630054805 862854716 1078568395 1260109610 2157136790 2520219220 4314273580 12727107061 25454214122 50908428244 63635535305 127271070610 254542141220