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11112210320 = 245413387869
BaseRepresentation
bin10100101100101011…
…01101111110010000
31001200102120202212012
422112111231332100
5140224211212240
65034353122052
7542241141431
oct122625557620
931612522765
1011112210320
11479260a0a2
1221a1559328
131081254aa3
14775b5d488
15450856b65
hex29656df90

11112210320 has 40 divisors (see below), whose sum is σ = 26466040440. Its totient is φ = 4336471040.

The previous prime is 11112210299. The next prime is 11112210337. The reversal of 11112210320 is 2301221111.

It can be written as a sum of positive squares in 4 ways, for example, as 878055424 + 10234154896 = 29632^2 + 101164^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 11112210295 and 11112210304.

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, 1690655 + ... + 1697214.

It is an arithmetic number, because the mean of its divisors is an integer number (661651011).

Almost surely, 211112210320 is an apocalyptic number.

11112210320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112210320 is an abundant number, since it is smaller than the sum of its proper divisors (15353830120).

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

11112210320 is a wasteful number, since it uses less digits than its factorization.

11112210320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387923 (or 3387917 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11112210320 its reverse (2301221111), we get a palindrome (13413431431).

The spelling of 11112210320 in words is "eleven billion, one hundred twelve million, two hundred ten thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 41 80 82 164 205 328 410 656 820 1640 3280 3387869 6775738 13551476 16939345 27102952 33878690 54205904 67757380 135514760 138902629 271029520 277805258 555610516 694513145 1111221032 1389026290 2222442064 2778052580 5556105160 11112210320