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51015112325 = 522797729569
BaseRepresentation
bin101111100000101111…
…001101011010000101
311212200022221012221122
4233200233031122011
51313434332043300
635234102523325
73454126204622
oct574057153205
9155608835848
1051015112325
111a6a9778a61
129a78a36545
134a7016b6c8
14267d493349
1514d8a5dc85
hexbe0bcd685

51015112325 has 12 divisors (see below), whose sum is σ = 63281442660. Its totient is φ = 40797442560.

The previous prime is 51015112307. The next prime is 51015112333. The reversal of 51015112325 is 52321151015.

It can be written as a sum of positive squares in 6 ways, for example, as 184253476 + 50830858849 = 13574^2 + 225457^2 .

It is not a de Polignac number, because 51015112325 - 28 = 51015112069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51015112294 and 51015112303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294860 + ... + 434709.

It is an arithmetic number, because the mean of its divisors is an integer number (5273453555).

Almost surely, 251015112325 is an apocalyptic number.

It is an amenable number.

51015112325 is a deficient number, since it is larger than the sum of its proper divisors (12266330335).

51015112325 is a wasteful number, since it uses less digits than its factorization.

51015112325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732376 (or 732371 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 51015112325 in words is "fifty-one billion, fifteen million, one hundred twelve thousand, three hundred twenty-five".

Divisors: 1 5 25 2797 13985 69925 729569 3647845 18239225 2040604493 10203022465 51015112325