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50148759997 = 759235751517
BaseRepresentation
bin101110101101000110…
…010101100110111101
311210102221201221222101
4232231012111212331
51310201040304442
635012113545101
73423506266240
oct565506254675
9153387657871
1050148759997
111a2a47386a6
129876875191
1349628263ab
1425da3b5257
15148797bcb7
hexbad1959bd

50148759997 has 16 divisors (see below), whose sum is σ = 58310133120. Its totient is φ = 42237350208.

The previous prime is 50148759949. The next prime is 50148760009. The reversal of 50148759997 is 79995784105.

It is a cyclic number.

It is not a de Polignac number, because 50148759997 - 215 = 50148727229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50148759197) 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, 947683 + ... + 999199.

It is an arithmetic number, because the mean of its divisors is an integer number (3644383320).

Almost surely, 250148759997 is an apocalyptic number.

It is an amenable number.

50148759997 is a deficient number, since it is larger than the sum of its proper divisors (8161373123).

50148759997 is a wasteful number, since it uses less digits than its factorization.

50148759997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53940.

The product of its (nonzero) digits is 28576800, while the sum is 64.

The spelling of 50148759997 in words is "fifty billion, one hundred forty-eight million, seven hundred fifty-nine thousand, nine hundred ninety-seven".

Divisors: 1 7 59 413 2357 16499 51517 139063 360619 973441 3039503 21276521 121425569 849978983 7164108571 50148759997