Search a number
-
+
111002110221212 = 22721973287043739
BaseRepresentation
bin11001001111010010110001…
…010110010101101110011100
3112120000200211220201112220022
4121033102301112111232130
5104022124310204034322
61032025355423411312
732244431525043200
oct3117226126255634
9476020756645808
10111002110221212
1132406804445561
1210548b52153b38
1349c25b97c62b2
141d5a760734b00
15cc764635e942
hex64f4b1595b9c

111002110221212 has 36 divisors (see below), whose sum is σ = 226083112761240. Its totient is φ = 47548221112224.

The previous prime is 111002110221179. The next prime is 111002110221313. The reversal of 111002110221212 is 212122011200111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143135162 + ... + 143908577.

It is an arithmetic number, because the mean of its divisors is an integer number (6280086465590).

Almost surely, 2111002110221212 is an apocalyptic number.

It is an amenable number.

111002110221212 is an abundant number, since it is smaller than the sum of its proper divisors (115081002540028).

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

111002110221212 is a wasteful number, since it uses less digits than its factorization.

111002110221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287045730 (or 287045721 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111002110221212 its reverse (212122011200111), we get a palindrome (323124121421323).

The spelling of 111002110221212 in words is "one hundred eleven trillion, two billion, one hundred ten million, two hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 1973 3946 7892 13811 27622 55244 96677 193354 386708 287043739 574087478 1148174956 2009306173 4018612346 8037224692 14065143211 28130286422 56260572844 566337297047 1132674594094 2265349188188 3964361079329 7928722158658 15857444317316 27750527555303 55501055110606 111002110221212