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11223141320 = 235793551627
BaseRepresentation
bin10100111001111001…
…11000101111001000
31001222011022122120202
422130330320233020
5140441111010240
65053354511332
7545056061426
oct123474705710
931864278522
1011223141320
11483a197206
122212735548
13109b224b31
14786798116
1545a46a315
hex29cf38bc8

11223141320 has 32 divisors (see below), whose sum is σ = 25571721600. Its totient is φ = 4432429248.

The previous prime is 11223141221. The next prime is 11223141329. The reversal of 11223141320 is 2314132211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11223141292 and 11223141301.

It is not an unprimeable number, because it can be changed into a prime (11223141329) 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, 1772654 + ... + 1778973.

It is an arithmetic number, because the mean of its divisors is an integer number (799116300).

Almost surely, 211223141320 is an apocalyptic number.

11223141320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11223141320 is an abundant number, since it is smaller than the sum of its proper divisors (14348580280).

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

11223141320 is a wasteful number, since it uses less digits than its factorization.

11223141320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551717 (or 3551713 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11223141320 its reverse (2314132211), we get a palindrome (13537273531).

The spelling of 11223141320 in words is "eleven billion, two hundred twenty-three million, one hundred forty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 79 158 316 395 632 790 1580 3160 3551627 7103254 14206508 17758135 28413016 35516270 71032540 142065080 280578533 561157066 1122314132 1402892665 2244628264 2805785330 5611570660 11223141320