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1630050133 = 37229319213
BaseRepresentation
bin110000100101000…
…1001011101010101
311012121020010102011
41201022021131111
511314243101013
6425425344221
755252124515
oct14112113525
94177203364
101630050133
11767136878
12395a98071
131cc92780a
141166b7845
1598187c3d
hex61289755

1630050133 has 8 divisors (see below), whose sum is σ = 1674922808. Its totient is φ = 1585220544.

The previous prime is 1630050127. The next prime is 1630050173. The reversal of 1630050133 is 3310500361.

It can be written as a sum of positive squares in 4 ways, for example, as 856264644 + 773785489 = 29262^2 + 27817^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1630050133 - 25 = 1630050101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630050173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75235 + ... + 94447.

It is an arithmetic number, because the mean of its divisors is an integer number (209365351).

Almost surely, 21630050133 is an apocalyptic number.

It is an amenable number.

1630050133 is a deficient number, since it is larger than the sum of its proper divisors (44872675).

1630050133 is a wasteful number, since it uses less digits than its factorization.

1630050133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21543.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 1630050133 is about 40373.8793404845. The cubic root of 1630050133 is about 1176.8839872401.

Adding to 1630050133 its reverse (3310500361), we get a palindrome (4940550494).

The spelling of 1630050133 in words is "one billion, six hundred thirty million, fifty thousand, one hundred thirty-three".

Divisors: 1 37 2293 19213 84841 710881 44055409 1630050133