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48787229385 = 32519269212123
BaseRepresentation
bin101101011011111100…
…100000101011001001
311122221001210001002200
4231123330200223021
51244404012320020
634225035350413
73344664415236
oct553374405311
9148831701080
1048787229385
1119766134594
1295568b2409
1347a672688b
14250b63878d
151408185590
hexb5bf20ac9

48787229385 has 48 divisors (see below), whose sum is σ = 89346628800. Its totient is φ = 24558636672.

The previous prime is 48787229341. The next prime is 48787229429. The reversal of 48787229385 is 58392278784.

48787229385 is a `hidden beast` number, since 487 + 8 + 72 + 2 + 9 + 3 + 85 = 666.

It is an interprime number because it is at equal distance from previous prime (48787229341) and next prime (48787229429).

It is not a de Polignac number, because 48787229385 - 218 = 48786967241 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123934 + ... + 336056.

It is an arithmetic number, because the mean of its divisors is an integer number (1861388100).

Almost surely, 248787229385 is an apocalyptic number.

48787229385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48787229385 is a deficient number, since it is larger than the sum of its proper divisors (40559399415).

48787229385 is a wasteful number, since it uses less digits than its factorization.

48787229385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212422 (or 212419 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 63.

The spelling of 48787229385 in words is "forty-eight billion, seven hundred eighty-seven million, two hundred twenty-nine thousand, three hundred eighty-five".

Divisors: 1 3 5 9 15 19 45 57 95 171 269 285 807 855 1345 2421 4035 5111 12105 15333 25555 45999 76665 212123 229995 636369 1060615 1909107 3181845 4030337 9545535 12091011 20151685 36273033 57061087 60455055 171183261 181365165 285305435 513549783 855916305 1084160653 2567748915 3252481959 5420803265 9757445877 16262409795 48787229385