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51450415241 = 794631406633
BaseRepresentation
bin101111111010101011…
…110000100010001001
311220210200000220021212
4233322223300202021
51320332301241431
635345212542505
73500663212421
oct577253604211
9156720026255
1051450415241
111a902466535
129b7a781a35
134b0c3c08b4
1426c1207481
151511d9772b
hexbfaaf0889

51450415241 has 8 divisors (see below), whose sum is σ = 52214254080. Its totient is φ = 50689390752.

The previous prime is 51450415223. The next prime is 51450415249. The reversal of 51450415241 is 14251405415.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51450415241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51450415198 and 51450415207.

It is not an unprimeable number, because it can be changed into a prime (51450415249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 666740 + ... + 739893.

It is an arithmetic number, because the mean of its divisors is an integer number (6526781760).

Almost surely, 251450415241 is an apocalyptic number.

It is an amenable number.

51450415241 is a deficient number, since it is larger than the sum of its proper divisors (763838839).

51450415241 is a wasteful number, since it uses less digits than its factorization.

51450415241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407175.

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 51450415241 in words is "fifty-one billion, four hundred fifty million, four hundred fifteen thousand, two hundred forty-one".

Divisors: 1 79 463 36577 1406633 111124007 651271079 51450415241