Search a number
-
+
11112210212200 = 2352449123743989
BaseRepresentation
bin1010000110110100001101…
…0101111010010101101000
31110100022120000222001211121
42201231003111322111220
52424030301303242300
635344513501505024
72224554633225166
oct241550325722550
943308500861747
1011112210212200
1135a4730a74179
1212b5754872174
13627b527b9916
142a5b960d4236
151440c283981a
hexa1b4357a568

11112210212200 has 48 divisors (see below), whose sum is σ = 25893429907500. Its totient is φ = 4434984529920.

The previous prime is 11112210212183. The next prime is 11112210212203. The reversal of 11112210212200 is 221201221111.

It can be written as a sum of positive squares in 6 ways, for example, as 6900677163396 + 4211533048804 = 2626914^2 + 2052202^2 .

It is not an unprimeable number, because it can be changed into a prime (11112210212203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61782195 + ... + 61961794.

Almost surely, 211112210212200 is an apocalyptic number.

11112210212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112210212200 is an abundant number, since it is smaller than the sum of its proper divisors (14781219695300).

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

11112210212200 is a wasteful number, since it uses less digits than its factorization.

11112210212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123744454 (or 123744445 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11112210212200 its reverse (221201221111), we get a palindrome (11333411433311).

The spelling of 11112210212200 in words is "eleven trillion, one hundred twelve billion, two hundred ten million, two hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 449 898 1796 2245 3592 4490 8980 11225 17960 22450 44900 89800 123743989 247487978 494975956 618719945 989951912 1237439890 2474879780 3093599725 4949759560 6187199450 12374398900 24748797800 55561051061 111122102122 222244204244 277805255305 444488408488 555610510610 1111221021220 1389026276525 2222442042440 2778052553050 5556105106100 11112210212200