Search a number
-
+
12220231122210 = 2351151433981563
BaseRepresentation
bin1011000111010011111010…
…0010001111110100100010
31121021020112220210021121110
42301310332202033310202
53100204013131402320
641553521403204150
72400611501452056
oct261647642176442
947236486707543
1012220231122210
113991630984611
121454442816656
136a8494249697
14303668949c66
15162d225665e0
hexb1d3e88fd22

12220231122210 has 64 divisors (see below), whose sum is σ = 29361160765440. Its totient is φ = 3255106795200.

The previous prime is 12220231122181. The next prime is 12220231122277. The reversal of 12220231122210 is 1222113202221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149784889 + ... + 149866451.

It is an arithmetic number, because the mean of its divisors is an integer number (458768136960).

Almost surely, 212220231122210 is an apocalyptic number.

12220231122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220231122210 is an abundant number, since it is smaller than the sum of its proper divisors (17140929643230).

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

12220231122210 is a wasteful number, since it uses less digits than its factorization.

12220231122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87063.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12220231122210 its reverse (1222113202221), we get a palindrome (13442344324431).

The spelling of 12220231122210 in words is "twelve trillion, two hundred twenty billion, two hundred thirty-one million, one hundred twenty-two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1151 2302 3453 4339 5755 6906 8678 11510 13017 17265 21695 26034 34530 43390 65085 81563 130170 163126 244689 407815 489378 815630 1223445 2446890 4994189 9988378 14982567 24970945 29965134 49941890 74912835 93879013 149825670 187758026 281637039 353901857 469395065 563274078 707803714 938790130 1061705571 1408185195 1769509285 2123411142 2816370390 3539018570 5308527855 10617055710 407341037407 814682074814 1222023112221 2036705187035 2444046224442 4073410374070 6110115561105 12220231122210