Search a number
-
+
11100111112210 = 258009138595469
BaseRepresentation
bin1010000110000111001000…
…1011100000100000010010
31110022011022211101002212011
42201201302023200200102
52423331011421042320
635335153132053134
72223646046455201
oct241416213404022
943264284332764
1011100111112210
11359a59238628a
1212b33389041aa
13626974c68163
142a536927b238
15143b1554105a
hexa18722e0812

11100111112210 has 16 divisors (see below), whose sum is σ = 19982694864600. Its totient is φ = 4439490030976.

The previous prime is 11100111112199. The next prime is 11100111112273. The reversal of 11100111112210 is 1221111100111.

It can be written as a sum of positive squares in 4 ways, for example, as 10990173110449 + 109938001761 = 3315143^2 + 331569^2 .

It is a super-2 number, since 2×111001111122102 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69217645 + ... + 69377824.

Almost surely, 211100111112210 is an apocalyptic number.

11100111112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11100111112210 is a deficient number, since it is larger than the sum of its proper divisors (8882583752390).

11100111112210 is a wasteful number, since it uses less digits than its factorization.

11100111112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138603485.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11100111112210 its reverse (1221111100111), we get a palindrome (12321222212321).

The spelling of 11100111112210 in words is "eleven trillion, one hundred billion, one hundred eleven million, one hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 8009 16018 40045 80090 138595469 277190938 692977345 1385954690 1110011111221 2220022222442 5550055556105 11100111112210