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1890363130 = 25189036313
BaseRepresentation
bin111000010101100…
…1010011011111010
311212202001101201021
41300223022123322
512332413110010
6511325013054
764562551525
oct16053123372
94782041637
101890363130
11890073887
124490b418a
1324183b386
1413d0b9bbc
15b0e578da
hex70aca6fa

1890363130 has 8 divisors (see below), whose sum is σ = 3402653652. Its totient is φ = 756145248.

The previous prime is 1890363109. The next prime is 1890363131. The reversal of 1890363130 is 313630981.

It can be written as a sum of positive squares in 2 ways, for example, as 1719512089 + 170851041 = 41467^2 + 13071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1890363131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94518147 + ... + 94518166.

Almost surely, 21890363130 is an apocalyptic number.

1890363130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1890363130 is a deficient number, since it is larger than the sum of its proper divisors (1512290522).

1890363130 is a wasteful number, since it uses less digits than its factorization.

1890363130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189036320.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 1890363130 is about 43478.3064297587. The cubic root of 1890363130 is about 1236.4647680640.

The spelling of 1890363130 in words is "one billion, eight hundred ninety million, three hundred sixty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 189036313 378072626 945181565 1890363130