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11110211320 = 2351321365791
BaseRepresentation
bin10100101100011100…
…00101111011111000
31001200021211012202011
422112032011323320
5140223203230240
65034242215304
7542215144435
oct122616057370
931607735664
1011110211320
11479147422a
1221a0954534
131080a04c50
1477579cb8c
154505ae6ea
hex296385ef8

11110211320 has 32 divisors (see below), whose sum is σ = 26920897920. Its totient is φ = 4102231680.

The previous prime is 11110211311. The next prime is 11110211327. The reversal of 11110211320 is 2311201111.

It is a happy number.

It is a super-2 number, since 2×111102113202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 11110211320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110211327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10682376 + ... + 10683415.

It is an arithmetic number, because the mean of its divisors is an integer number (841278060).

Almost surely, 211110211320 is an apocalyptic number.

11110211320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110211320 is an abundant number, since it is smaller than the sum of its proper divisors (15810686600).

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

11110211320 is a wasteful number, since it uses less digits than its factorization.

11110211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21365815 (or 21365811 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11110211320 its reverse (2311201111), we get a palindrome (13421412431).

The spelling of 11110211320 in words is "eleven billion, one hundred ten million, two hundred eleven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 21365791 42731582 85463164 106828955 170926328 213657910 277755283 427315820 555510566 854631640 1111021132 1388776415 2222042264 2777552830 5555105660 11110211320