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51323010427 = 1367311189467
BaseRepresentation
bin101111110011000101…
…101111110101111011
311220110210022001202001
4233303011233311323
51320102142313202
635324422121431
73464555251003
oct576305576573
9156423261661
1051323010427
111a8475573a7
129b43b80277
134abbba3430
1426ac321003
151505accd87
hexbf316fd7b

51323010427 has 16 divisors (see below), whose sum is σ = 56276543232. Its totient is φ = 46517692320.

The previous prime is 51323010419. The next prime is 51323010443. The reversal of 51323010427 is 72401032315.

It is a cyclic number.

It is not a de Polignac number, because 51323010427 - 23 = 51323010419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51323010395 and 51323010404.

It is not an unprimeable number, because it can be changed into a prime (51323010457) 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, 176148 + ... + 365614.

It is an arithmetic number, because the mean of its divisors is an integer number (3517283952).

Almost surely, 251323010427 is an apocalyptic number.

51323010427 is a deficient number, since it is larger than the sum of its proper divisors (4953532805).

51323010427 is a wasteful number, since it uses less digits than its factorization.

51323010427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189858.

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 51323010427 in words is "fifty-one billion, three hundred twenty-three million, ten thousand, four hundred twenty-seven".

Divisors: 1 13 67 311 871 4043 20837 189467 270881 2463071 12694289 58924237 165025757 766015081 3947923879 51323010427