Search a number
-
+
1630620299 = 711191114573
BaseRepresentation
bin110000100110001…
…0100101010001011
311012122022002112102
41201030110222023
511314414322144
6425445504015
755260021020
oct14114245213
94178262472
101630620299
11767496190
1239611200b
131cca971a9
141167c5547
159824bb4e
hex61314a8b

1630620299 has 16 divisors (see below), whose sum is σ = 2139982080. Its totient is φ = 1203737760.

The previous prime is 1630620253. The next prime is 1630620311. The reversal of 1630620299 is 9920260361.

It is a cyclic number.

It is not a de Polignac number, because 1630620299 - 212 = 1630616203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1630622299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555824 + ... + 558749.

It is an arithmetic number, because the mean of its divisors is an integer number (133748880).

Almost surely, 21630620299 is an apocalyptic number.

1630620299 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1630620299 is a deficient number, since it is larger than the sum of its proper divisors (509361781).

1630620299 is a wasteful number, since it uses less digits than its factorization.

1630620299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114610.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 1630620299 is about 40380.9397983752. The cubic root of 1630620299 is about 1177.0211897714.

The spelling of 1630620299 in words is "one billion, six hundred thirty million, six hundred twenty thousand, two hundred ninety-nine".

Divisors: 1 7 11 19 77 133 209 1463 1114573 7802011 12260303 21176887 85822121 148238209 232945757 1630620299