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49795382857 = 1147103935107
BaseRepresentation
bin101110011000000010…
…010011111001001001
311202112022210112200011
4232120002103321021
51303440104222412
634513051511521
73411655525213
oct563002237111
9152468715604
1049795382857
111a133217180
1297984585a1
134907559cac
1425a54a95b3
1514669277a7
hexb98093e49

49795382857 has 16 divisors (see below), whose sum is σ = 56016709632. Its totient is φ = 43875173520.

The previous prime is 49795382851. The next prime is 49795382939. The reversal of 49795382857 is 75828359794.

49795382857 = T17798 + T17799 + ... + T18106.

It is a cyclic number.

It is not a de Polignac number, because 49795382857 - 211 = 49795380809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49795382792 and 49795382801.

It is not an unprimeable number, because it can be changed into a prime (49795382851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414303 + ... + 520804.

It is an arithmetic number, because the mean of its divisors is an integer number (3501044352).

Almost surely, 249795382857 is an apocalyptic number.

49795382857 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

49795382857 is a deficient number, since it is larger than the sum of its proper divisors (6221326775).

49795382857 is a wasteful number, since it uses less digits than its factorization.

49795382857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935268.

The product of its digits is 152409600, while the sum is 67.

The spelling of 49795382857 in words is "forty-nine billion, seven hundred ninety-five million, three hundred eighty-two thousand, eight hundred fifty-seven".

Divisors: 1 11 47 103 517 1133 4841 53251 935107 10286177 43950029 96316021 483450319 1059476231 4526852987 49795382857