Search a number
-
+
1630677071 = 1926174051
BaseRepresentation
bin110000100110010…
…0010100001001111
311012122101222102002
41201030202201033
511314423131241
6425451022515
755260345362
oct14114424117
94178358362
101630677071
11767524901
1239613aa3b
131ccab6c9a
141167dc0d9
159825d89b
hex6132284f

1630677071 has 12 divisors (see below), whose sum is σ = 1749256344. Its totient is φ = 1519506000.

The previous prime is 1630677053. The next prime is 1630677101. The reversal of 1630677071 is 1707760361.

It is a happy number.

It is not a de Polignac number, because 1630677071 - 226 = 1563568207 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 (1630677031) 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 11 ways as a sum of consecutive naturals, for example, 15005 + ... + 59046.

It is an arithmetic number, because the mean of its divisors is an integer number (145771362).

Almost surely, 21630677071 is an apocalyptic number.

1630677071 is a deficient number, since it is larger than the sum of its proper divisors (118579273).

1630677071 is an equidigital number, since it uses as much as digits as its factorization.

1630677071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74150 (or 74131 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 1630677071 is about 40381.6427476644. The cubic root of 1630677071 is about 1177.0348494140.

The spelling of 1630677071 in words is "one billion, six hundred thirty million, six hundred seventy-seven thousand, seventy-one".

Divisors: 1 19 61 361 1159 22021 74051 1406969 4517111 26732411 85825109 1630677071