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51012362031 = 324676892631
BaseRepresentation
bin101111100000100100…
…101101111100101111
311212200010202111020220
4233200210231330233
51313433131041111
635233523542423
73454063631361
oct574044557457
9155603674226
1051012362031
111a6a816a694
129a77b2aa13
134a6c717907
14267cd78d31
1514d86b8e06
hexbe092df2f

51012362031 has 8 divisors (see below), whose sum is σ = 68044063104. Its totient is φ = 33994451160.

The previous prime is 51012362003. The next prime is 51012362047. The reversal of 51012362031 is 13026321015.

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

It is a de Polignac number, because none of the positive numbers 2k-51012362031 is a prime.

It is a super-2 number, since 2×510123620312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51012361992 and 51012362010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51012262031) 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, 3438915 + ... + 3453716.

It is an arithmetic number, because the mean of its divisors is an integer number (8505507888).

Almost surely, 251012362031 is an apocalyptic number.

51012362031 is a deficient number, since it is larger than the sum of its proper divisors (17031701073).

51012362031 is a wasteful number, since it uses less digits than its factorization.

51012362031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895101.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 51012362031 its reverse (13026321015), we get a palindrome (64038683046).

The spelling of 51012362031 in words is "fifty-one billion, twelve million, three hundred sixty-two thousand, thirty-one".

Divisors: 1 3 2467 7401 6892631 20677893 17004120677 51012362031