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51023034321 = 3719127877279
BaseRepresentation
bin101111100001001101…
…011011011111010001
311212200212211200212220
4233201031123133101
51313443344044241
635234544411253
73454253431050
oct574115333721
9155625750786
1051023034321
111a703199966
129a7b616b29
134a719b348c
142680556397
1514d95c6166
hexbe135b7d1

51023034321 has 16 divisors (see below), whose sum is σ = 81841459200. Its totient is φ = 27621492048.

The previous prime is 51023034253. The next prime is 51023034329. The reversal of 51023034321 is 12343032015.

It is not a de Polignac number, because 51023034321 - 211 = 51023032273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51023034291 and 51023034300.

It is not an unprimeable number, because it can be changed into a prime (51023034329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63938241 + ... + 63939038.

It is an arithmetic number, because the mean of its divisors is an integer number (5115091200).

Almost surely, 251023034321 is an apocalyptic number.

It is an amenable number.

51023034321 is a deficient number, since it is larger than the sum of its proper divisors (30818424879).

51023034321 is a wasteful number, since it uses less digits than its factorization.

51023034321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127877308.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 51023034321 its reverse (12343032015), we get a palindrome (63366066336).

The spelling of 51023034321 in words is "fifty-one billion, twenty-three million, thirty-four thousand, three hundred twenty-one".

Divisors: 1 3 7 19 21 57 133 399 127877279 383631837 895140953 2429668301 2685422859 7289004903 17007678107 51023034321