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51436463441 = 118356337857
BaseRepresentation
bin101111111001110110…
…100010010101010001
311220202200210002000112
4233321312202111101
51320320213312231
635343553531105
73500433503546
oct577166422521
9156680702015
1051436463441
111a8a55a7320
129b75b73a95
134b095473ac
1426bd414bcd
151510a3d92b
hexbf9da2551

51436463441 has 8 divisors (see below), whose sum is σ = 56788560864. Its totient is φ = 46197041920.

The previous prime is 51436463413. The next prime is 51436463473. The reversal of 51436463441 is 14436463415.

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 51436463441 - 214 = 51436447057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51436463041) 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, 28168016 + ... + 28169841.

It is an arithmetic number, because the mean of its divisors is an integer number (7098570108).

Almost surely, 251436463441 is an apocalyptic number.

It is an amenable number.

51436463441 is a deficient number, since it is larger than the sum of its proper divisors (5352097423).

51436463441 is a wasteful number, since it uses less digits than its factorization.

51436463441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56337951.

The product of its digits is 414720, while the sum is 41.

The spelling of 51436463441 in words is "fifty-one billion, four hundred thirty-six million, four hundred sixty-three thousand, four hundred forty-one".

Divisors: 1 11 83 913 56337857 619716427 4676042131 51436463441