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1820030110 = 25223816157
BaseRepresentation
bin110110001111011…
…0111010010011110
311200211201002221121
41230132313102132
512211411430420
6500333321154
763050000143
oct15436672236
94624632847
101820030110
118543a5618
124296361ba
132300b40c2
14133a0c3ca
15a9bb32aa
hex6c7b749e

1820030110 has 16 divisors (see below), whose sum is σ = 3290749056. Its totient is φ = 724746528.

The previous prime is 1820030071. The next prime is 1820030129. The reversal of 1820030110 is 110300281.

It is a super-2 number, since 2×18200301102 = 6625019202613224200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 405849 + ... + 410308.

It is an arithmetic number, because the mean of its divisors is an integer number (205671816).

Almost surely, 21820030110 is an apocalyptic number.

1820030110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1820030110 is a deficient number, since it is larger than the sum of its proper divisors (1470718946).

1820030110 is a wasteful number, since it uses less digits than its factorization.

1820030110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816387.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1820030110 is about 42661.8109085866. The cubic root of 1820030110 is about 1220.9358827091.

Adding to 1820030110 its reverse (110300281), we get a palindrome (1930330391).

The spelling of 1820030110 in words is "one billion, eight hundred twenty million, thirty thousand, one hundred ten".

Divisors: 1 2 5 10 223 446 1115 2230 816157 1632314 4080785 8161570 182003011 364006022 910015055 1820030110