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48917979329 = 1910146355057
BaseRepresentation
bin101101100011101111…
…010010000011000001
311200021011210211022012
4231203233102003001
51300141000314304
634250030022305
73351142651352
oct554357220301
9150234724265
1048917979329
1119822a1899a
129592647995
1347c78457cb
142520b51d29
1514148b116e
hexb63bd20c1

48917979329 has 16 divisors (see below), whose sum is σ = 52115700480. Its totient is φ = 45784569600.

The previous prime is 48917979311. The next prime is 48917979343. The reversal of 48917979329 is 92397971984.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48917979329 is a prime.

It is a super-4 number, since 4×489179793294 (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48917979359) 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, 860969 + ... + 916025.

It is an arithmetic number, because the mean of its divisors is an integer number (3257231280).

Almost surely, 248917979329 is an apocalyptic number.

It is an amenable number.

48917979329 is a deficient number, since it is larger than the sum of its proper divisors (3197721151).

48917979329 is a wasteful number, since it uses less digits than its factorization.

48917979329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55640.

The product of its digits is 61725888, while the sum is 68.

The spelling of 48917979329 in words is "forty-eight billion, nine hundred seventeen million, nine hundred seventy-nine thousand, three hundred twenty-nine".

Divisors: 1 19 101 463 1919 8797 46763 55057 888497 1046083 5560757 25491391 105654383 484336429 2574630491 48917979329