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51030401131 = 281407344587
BaseRepresentation
bin101111100001101001…
…100010000001101011
311212201101200222020201
4233201221202001223
51314002240314011
635235410333031
73454403152453
oct574151420153
9155641628221
1051030401131
111a707370736
129a81b8a177
134a73392638
142681512d63
1514da07dcc1
hexbe1a6206b

51030401131 has 8 divisors (see below), whose sum is σ = 51225726384. Its totient is φ = 50835173760.

The previous prime is 51030401129. The next prime is 51030401161. The reversal of 51030401131 is 13110403015.

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 51030401131 - 21 = 51030401129 is a prime.

It is a super-2 number, since 2×510304011312 (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 = 51030401099 and 51030401108.

It is not an unprimeable number, because it can be changed into a prime (51030401111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122220 + ... + 1166806.

It is an arithmetic number, because the mean of its divisors is an integer number (6403215798).

Almost surely, 251030401131 is an apocalyptic number.

51030401131 is a deficient number, since it is larger than the sum of its proper divisors (195325253).

51030401131 is a wasteful number, since it uses less digits than its factorization.

51030401131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48941.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 51030401131 its reverse (13110403015), we get a palindrome (64140804146).

The spelling of 51030401131 in words is "fifty-one billion, thirty million, four hundred one thousand, one hundred thirty-one".

Divisors: 1 281 4073 44587 1144513 12528947 181602851 51030401131