Search a number
-
+
49489539460 = 22517811179479
BaseRepresentation
bin101110000101110011…
…100111000110000100
311201202000022002101221
4232011303213012010
51302323310230320
634422444330124
73401253100414
oct560563470604
9151660262357
1049489539460
1119a96611539
129711b43944
13488909457a
142576a14644
151449b623aa
hexb85ce7184

49489539460 has 48 divisors (see below), whose sum is σ = 110177746560. Its totient is φ = 18608279040.

The previous prime is 49489539439. The next prime is 49489539479. The reversal of 49489539460 is 6493598494.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186001 + ... + 365479.

It is an arithmetic number, because the mean of its divisors is an integer number (2295369720).

Almost surely, 249489539460 is an apocalyptic number.

It is an amenable number.

49489539460 is an abundant number, since it is smaller than the sum of its proper divisors (60688207100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49489539460 is a wasteful number, since it uses less digits than its factorization.

49489539460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180316 (or 180314 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 61.

The spelling of 49489539460 in words is "forty-nine billion, four hundred eighty-nine million, five hundred thirty-nine thousand, four hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 811 1622 3244 4055 8110 13787 16220 27574 55148 68935 137870 179479 275740 358958 717916 897395 1794790 3051143 3589580 6102286 12204572 15255715 30511430 61022860 145557469 291114938 582229876 727787345 1455574690 2474476973 2911149380 4948953946 9897907892 12372384865 24744769730 49489539460