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49895999999 = 4310715536983
BaseRepresentation
bin101110011110000010…
…001000100111111111
311202210100010102102222
4232132002020213333
51304141333444444
634531044235555
73414320000516
oct563602104777
9152710112388
1049895999999
111a184a9a33a
12980609bbbb
134922358671
1425b49bb67d
15147069eeee
hexb9e0889ff

49895999999 has 16 divisors (see below), whose sum is σ = 51574102272. Its totient is φ = 48242156928.

The previous prime is 49895999963. The next prime is 49896000019. The reversal of 49895999999 is 99999959894.

It is a cyclic number.

It is not a de Polignac number, because 49895999999 - 220 = 49894951423 is a prime.

It is a super-2 number, since 2×498959999992 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

49895999999 is a modest number, since divided by 999999 gives 49895 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49895999399) 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, 7141862 + ... + 7148844.

It is an arithmetic number, because the mean of its divisors is an integer number (3223381392).

Almost surely, 249895999999 is an apocalyptic number.

49895999999 is a deficient number, since it is larger than the sum of its proper divisors (1678102273).

49895999999 is a wasteful number, since it uses less digits than its factorization.

49895999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8686.

The product of its digits is 6887475360, while the sum is 89.

The spelling of 49895999999 in words is "forty-nine billion, eight hundred ninety-five million, nine hundred ninety-nine thousand, nine hundred ninety-nine".

Divisors: 1 43 107 1553 4601 6983 66779 166171 300269 747181 7145353 10844599 32128783 466317757 1160372093 49895999999