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49857854071 = 831075613991
BaseRepresentation
bin101110011011110000…
…100111101001110111
311202200200100102001211
4232123300213221313
51304102102312241
634523202502251
73413344524064
oct563360475167
9152620312054
1049857854071
111a165505783
1297b5364987
1349174909cc
1425ad8cbc6b
15146c167781
hexb9bc27a77

49857854071 has 8 divisors (see below), whose sum is σ = 50930135424. Its totient is φ = 48796801080.

The previous prime is 49857854069. The next prime is 49857854107. The reversal of 49857854071 is 17045875894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49857854071 - 21 = 49857854069 is a prime.

It is a super-2 number, since 2×498578540712 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49857853997 and 49857854015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49857854021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2798115 + ... + 2815876.

It is an arithmetic number, because the mean of its divisors is an integer number (6366266928).

Almost surely, 249857854071 is an apocalyptic number.

49857854071 is a deficient number, since it is larger than the sum of its proper divisors (1072281353).

49857854071 is a wasteful number, since it uses less digits than its factorization.

49857854071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5614181.

The product of its (nonzero) digits is 11289600, while the sum is 58.

The spelling of 49857854071 in words is "forty-nine billion, eight hundred fifty-seven million, eight hundred fifty-four thousand, seventy-one".

Divisors: 1 83 107 8881 5613991 465961253 600697037 49857854071