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1112042020 = 22555602101
BaseRepresentation
bin100001001001000…
…0110101000100100
32212111111120212111
41002102012220210
54234140321040
6302202530404
736362126005
oct10222065044
92774446774
101112042020
1152079a6a1
12270506a04
13149508b3b
14a79951ac
1567963dea
hex42486a24

1112042020 has 12 divisors (see below), whose sum is σ = 2335288284. Its totient is φ = 444816800.

The previous prime is 1112042011. The next prime is 1112042021. The reversal of 1112042020 is 202402111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 196616484 + 915425536 = 14022^2 + 30256^2 .

It is not an unprimeable number, because it can be changed into a prime (1112042021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27801031 + ... + 27801070.

It is an arithmetic number, because the mean of its divisors is an integer number (194607357).

Almost surely, 21112042020 is an apocalyptic number.

1112042020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112042020 is an abundant number, since it is smaller than the sum of its proper divisors (1223246264).

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

1112042020 is a wasteful number, since it uses less digits than its factorization.

1112042020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55602110 (or 55602108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1112042020 is about 33347.2940431454. The cubic root of 1112042020 is about 1036.0333429438.

Adding to 1112042020 its reverse (202402111), we get a palindrome (1314444131).

The spelling of 1112042020 in words is "one billion, one hundred twelve million, forty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 55602101 111204202 222408404 278010505 556021010 1112042020