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51050103 = 3131308977
BaseRepresentation
bin1100001010111…
…1011001110111
310120001121120120
43002233121313
5101032100403
65022103023
71156630056
oct302573167
9116047516
1051050103
11268a8775
121511aa73
13a765380
146acc39d
154735e53
hex30af677

51050103 has 8 divisors (see below), whose sum is σ = 73302768. Its totient is φ = 31415424.

The previous prime is 51050101. The next prime is 51050143. The reversal of 51050103 is 30105015.

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

It is not a de Polignac number, because 51050103 - 21 = 51050101 is a prime.

It is a super-2 number, since 2×510501032 = 5212226032621218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51050101) 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, 654450 + ... + 654527.

It is an arithmetic number, because the mean of its divisors is an integer number (9162846).

Almost surely, 251050103 is an apocalyptic number.

51050103 is a deficient number, since it is larger than the sum of its proper divisors (22252665).

51050103 is a wasteful number, since it uses less digits than its factorization.

51050103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308993.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 51050103 is about 7144.9354790649. The cubic root of 51050103 is about 370.9643773480.

Adding to 51050103 its reverse (30105015), we get a palindrome (81155118).

The spelling of 51050103 in words is "fifty-one million, fifty thousand, one hundred three".

Divisors: 1 3 13 39 1308977 3926931 17016701 51050103