Search a number
-
+
49105898469 = 3261421212461
BaseRepresentation
bin101101101110111100…
…001000101111100101
311200202021102002220100
4231232330020233211
51301032102222334
634320421454313
73355614151515
oct555674105745
9150667362810
1049105898469
1119909aaa371
129625571399
134827760074
14253baab845
151426130c99
hexb6ef08be5

49105898469 has 24 divisors (see below), whose sum is σ = 72265124984. Its totient is φ = 32123952000.

The previous prime is 49105898467. The next prime is 49105898519. The reversal of 49105898469 is 96489850194.

49105898469 is a `hidden beast` number, since 4 + 9 + 1 + 0 + 589 + 8 + 46 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14146247844 + 34959650625 = 118938^2 + 186975^2 .

It is not a de Polignac number, because 49105898469 - 21 = 49105898467 is a prime.

It is a super-2 number, since 2×491058984692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49105898467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124899 + ... + 337359.

Almost surely, 249105898469 is an apocalyptic number.

It is an amenable number.

49105898469 is a deficient number, since it is larger than the sum of its proper divisors (23159226515).

49105898469 is a wasteful number, since it uses less digits than its factorization.

49105898469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212949 (or 212946 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 49105898469 in words is "forty-nine billion, one hundred five million, eight hundred ninety-eight thousand, four hundred sixty-nine".

Divisors: 1 3 9 61 183 421 549 1263 3789 25681 77043 212461 231129 637383 1912149 12960121 38880363 89446081 116641089 268338243 805014729 5456210941 16368632823 49105898469