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1112102220 = 223518535037
BaseRepresentation
bin100001001001001…
…0101010101001100
32212111121122110010
41002102111111030
54234144232340
6302204113220
736362466345
oct10222252514
92774548403
101112102220
11520830949
12270535810
1314952a368
14a79ad0cc
1567976b80
hex4249554c

1112102220 has 24 divisors (see below), whose sum is σ = 3113886384. Its totient is φ = 296560576.

The previous prime is 1112102183. The next prime is 1112102231. The reversal of 1112102220 is 222012111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1112102196 and 1112102205.

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, 9267459 + ... + 9267578.

It is an arithmetic number, because the mean of its divisors is an integer number (129745266).

Almost surely, 21112102220 is an apocalyptic number.

1112102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112102220 is an abundant number, since it is smaller than the sum of its proper divisors (2001784164).

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

1112102220 is a wasteful number, since it uses less digits than its factorization.

1112102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18535049 (or 18535047 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1112102220 is about 33348.1966528926. The cubic root of 1112102220 is about 1036.0520377055.

Adding to 1112102220 its reverse (222012111), we get a palindrome (1334114331).

The spelling of 1112102220 in words is "one billion, one hundred twelve million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 18535037 37070074 55605111 74140148 92675185 111210222 185350370 222420444 278025555 370700740 556051110 1112102220