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51013254141439 = 1991908713430503
BaseRepresentation
bin10111001100101011100101…
…11001000101010111111111
320200121211010101120211121021
423212111302321011113333
523141300121030011224
6300255055422045011
713513404664466002
oct1346256271052777
9220554111524537
1051013254141439
1115288666060687
12587a863719767
1322606b5922c55
14c850aa053539
155d6e89cc91e4
hex2e6572e455ff

51013254141439 has 8 divisors (see below), whose sum is σ = 51272292070400. Its totient is φ = 50754243112056.

The previous prime is 51013254141431. The next prime is 51013254141457. The reversal of 51013254141439 is 93414145231015.

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 51013254141439 - 23 = 51013254141431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51013254141395 and 51013254141404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51013254141431) 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, 2916939 + ... + 10513564.

It is an arithmetic number, because the mean of its divisors is an integer number (6409036508800).

Almost surely, 251013254141439 is an apocalyptic number.

51013254141439 is a deficient number, since it is larger than the sum of its proper divisors (259037928961).

51013254141439 is a wasteful number, since it uses less digits than its factorization.

51013254141439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13449789.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 51013254141439 in words is "fifty-one trillion, thirteen billion, two hundred fifty-four million, one hundred forty-one thousand, four hundred thirty-nine".

Divisors: 1 199 19087 3798313 13430503 2672670097 256348010761 51013254141439