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1630305053 = 13437141077
BaseRepresentation
bin110000100101100…
…0111101100011101
311012121201002002122
41201023013230131
511314324230203
6425435032325
755254235646
oct14113075435
94177632078
101630305053
117672a0353
12395b9b6a5
131cc9b6860
141167426cd
15981d8538
hex612c7b1d

1630305053 has 16 divisors (see below), whose sum is σ = 1821891456. Its totient is φ = 1449161280.

The previous prime is 1630305041. The next prime is 1630305071. The reversal of 1630305053 is 3505030361.

It is a cyclic number.

It is not a de Polignac number, because 1630305053 - 212 = 1630300957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630305073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19151 + ... + 60227.

It is an arithmetic number, because the mean of its divisors is an integer number (113868216).

Almost surely, 21630305053 is an apocalyptic number.

1630305053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1630305053 is a deficient number, since it is larger than the sum of its proper divisors (191586403).

1630305053 is a wasteful number, since it uses less digits than its factorization.

1630305053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41204.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 1630305053 is about 40377.0362087165. The cubic root of 1630305053 is about 1176.9453341525.

The spelling of 1630305053 in words is "one billion, six hundred thirty million, three hundred five thousand, fifty-three".

Divisors: 1 13 43 71 559 923 3053 39689 41077 534001 1766311 2916467 22962043 37914071 125408081 1630305053