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4950321681 = 31797065131
BaseRepresentation
bin1001001110000111…
…11110101000010001
3110202222220101201110
410213003332220101
540114240243211
62135114323533
7233450016504
oct44703765021
913688811643
104950321681
112110366a48
12b61a295a9
1360b786a36
1434d64d13b
151de8e1ea6
hex1270fea11

4950321681 has 8 divisors (see below), whose sum is σ = 6988689504. Its totient is φ = 3106084160.

The previous prime is 4950321679. The next prime is 4950321683. The reversal of 4950321681 is 1861230594.

It is an interprime number because it is at equal distance from previous prime (4950321679) and next prime (4950321683).

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 4950321681 - 21 = 4950321679 is a prime.

It is a super-2 number, since 2×49503216812 = 49011369490757331522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4950321683) 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, 48532515 + ... + 48532616.

It is an arithmetic number, because the mean of its divisors is an integer number (873586188).

Almost surely, 24950321681 is an apocalyptic number.

It is an amenable number.

4950321681 is a deficient number, since it is larger than the sum of its proper divisors (2038367823).

4950321681 is a wasteful number, since it uses less digits than its factorization.

4950321681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97065151.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 4950321681 is about 70358.5224475330. The cubic root of 4950321681 is about 1704.2938377069.

The spelling of 4950321681 in words is "four billion, nine hundred fifty million, three hundred twenty-one thousand, six hundred eighty-one".

Divisors: 1 3 17 51 97065131 291195393 1650107227 4950321681