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49646736049937 = 1393711933416389
BaseRepresentation
bin10110100100111010010000…
…00100010000011100010001
320111210011220101201020000112
423102131020010100130101
523001403003412044222
6253331221244531105
713312600254404345
oct1322351004203421
9214704811636015
1049646736049937
1114901076237854
125699a53550a95
132191889884c70
14c38cb44a1625
155b165b2c9be2
hex2d2748110711

49646736049937 has 16 divisors (see below), whose sum is σ = 53567655975120. Its totient is φ = 45740461059072.

The previous prime is 49646736049879. The next prime is 49646736049987. The reversal of 49646736049937 is 73994063764694.

It is a Cunningham number, because it is equal to 70460442+1.

It can be written as a sum of positive squares in 8 ways, for example, as 13134216781456 + 36512519268481 = 3624116^2 + 6042559^2 .

It is not a de Polignac number, because 49646736049937 - 234 = 49629556180753 is a prime.

It is a super-2 number, since 2×496467360499372 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49646736049987) by changing a digit.

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, 12823739 + ... + 16240127.

It is an arithmetic number, because the mean of its divisors is an integer number (3347978498445).

Almost surely, 249646736049937 is an apocalyptic number.

It is an amenable number.

49646736049937 is a deficient number, since it is larger than the sum of its proper divisors (3920919925183).

49646736049937 is a wasteful number, since it uses less digits than its factorization.

49646736049937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418532.

The product of its (nonzero) digits is 4444263936, while the sum is 77.

The spelling of 49646736049937 in words is "forty-nine trillion, six hundred forty-six billion, seven hundred thirty-six million, forty-nine thousand, nine hundred thirty-seven".

Divisors: 1 13 937 1193 12181 15509 1117841 3416389 14531933 44413057 3201156493 4075752077 41615034409 52984777001 3818979696149 49646736049937