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49089903389 = 443332933287
BaseRepresentation
bin101101101101111111…
…000111101100011101
311200201011022110202222
4231231333013230131
51301014003402024
634315050555125
73355331202602
oct555577075435
9150634273688
1049089903389
1119900a74a9a
129620138aa5
13482434c817
1425399066a9
151424a2185e
hexb6dfc7b1d

49089903389 has 8 divisors (see below), whose sum is σ = 49216973760. Its totient is φ = 48962907136.

The previous prime is 49089903371. The next prime is 49089903403. The reversal of 49089903389 is 98330998094.

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 49089903389 - 28 = 49089903133 is a prime.

It is a super-2 number, since 2×490899033892 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49089963389) 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, 1458104 + ... + 1491390.

It is an arithmetic number, because the mean of its divisors is an integer number (6152121720).

Almost surely, 249089903389 is an apocalyptic number.

It is an amenable number.

49089903389 is a deficient number, since it is larger than the sum of its proper divisors (127070371).

49089903389 is a wasteful number, since it uses less digits than its factorization.

49089903389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37059.

The product of its (nonzero) digits is 15116544, while the sum is 62.

The spelling of 49089903389 in words is "forty-nine billion, eighty-nine million, nine hundred three thousand, three hundred eighty-nine".

Divisors: 1 443 3329 33287 1474747 14746141 110812423 49089903389