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19822030230 = 2353121314011
BaseRepresentation
bin10010011101011111…
…000010110110010110
31220011102122110121210
4102131133002312112
5311043414431410
613034530522250
71301131322412
oct223537026626
956142573553
1019822030230
118452023772
123a12436386
131b3b864b92
14d607d9d42
157b0314220
hex49d7c2d96

19822030230 has 32 divisors (see below), whose sum is σ = 49107483648. Its totient is φ = 5115362400.

The previous prime is 19822030171. The next prime is 19822030237. The reversal of 19822030230 is 3203022891.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19822030237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10656076 + ... + 10657935.

It is an arithmetic number, because the mean of its divisors is an integer number (1534608864).

Almost surely, 219822030230 is an apocalyptic number.

19822030230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19822030230 is an abundant number, since it is smaller than the sum of its proper divisors (29285453418).

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

19822030230 is a wasteful number, since it uses less digits than its factorization.

19822030230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21314052.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 19822030230 in words is "nineteen billion, eight hundred twenty-two million, thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 21314011 42628022 63942033 106570055 127884066 213140110 319710165 639420330 660734341 1321468682 1982203023 3303671705 3964406046 6607343410 9911015115 19822030230