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2190109120 = 2656844091
BaseRepresentation
bin1000001010001010…
…0110100111000000
312122122002001220121
42002202212213000
513441131442440
61001153350024
7105162422533
oct20242464700
95578061817
102190109120
11a24294441
12511568314
1328b97a674
1416ac24a1a
15cc41634a
hex828a69c0

2190109120 has 28 divisors (see below), whose sum is σ = 5215198104. Its totient is φ = 876043520.

The previous prime is 2190109037. The next prime is 2190109121. The reversal of 2190109120 is 219010912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190109121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3421726 + ... + 3422365.

Almost surely, 22190109120 is an apocalyptic number.

2190109120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2190109120 is an abundant number, since it is smaller than the sum of its proper divisors (3025088984).

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

2190109120 is an equidigital number, since it uses as much as digits as its factorization.

2190109120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6844108 (or 6844098 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 2190109120 is about 46798.6016885120. The cubic root of 2190109120 is about 1298.6394286028.

The spelling of 2190109120 in words is "two billion, one hundred ninety million, one hundred nine thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 6844091 13688182 27376364 34220455 54752728 68440910 109505456 136881820 219010912 273763640 438021824 547527280 1095054560 2190109120