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2190611050 = 25243812221
BaseRepresentation
bin1000001010010010…
…0001001001101010
312122200000120102121
42002210201021222
513441244023200
61001212221454
7105166613065
oct20244411152
95580016377
102190611050
11a245a7561
1251176a88a
1328bac4c74
1416ad158dc
15cc4b4e1a
hex8292126a

2190611050 has 12 divisors (see below), whose sum is σ = 4074536646. Its totient is φ = 876244400.

The previous prime is 2190611047. The next prime is 2190611051. The reversal of 2190611050 is 501160912.

It can be written as a sum of positive squares in 3 ways, for example, as 1848398049 + 342213001 = 42993^2 + 18499^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2190611051) 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 5 ways as a sum of consecutive naturals, for example, 21906061 + ... + 21906160.

Almost surely, 22190611050 is an apocalyptic number.

2190611050 is a deficient number, since it is larger than the sum of its proper divisors (1883925596).

2190611050 is a wasteful number, since it uses less digits than its factorization.

2190611050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43812233 (or 43812228 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 2190611050 is about 46803.9640415211. The cubic root of 2190611050 is about 1298.7386285762.

Adding to 2190611050 its reverse (501160912), we get a palindrome (2691771962).

The spelling of 2190611050 in words is "two billion, one hundred ninety million, six hundred eleven thousand, fifty".

Divisors: 1 2 5 10 25 50 43812221 87624442 219061105 438122210 1095305525 2190611050