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50318801949 = 3131518544541
BaseRepresentation
bin101110110111001110…
…111111110000011101
311210212210200222200110
4232313032333300131
51311023103130244
635041030320233
73430642521333
oct566716776035
9153783628613
1050318801949
111a381719739
1299037b9079
13498bb21830
142614bd9b53
1514978699b9
hexbb73bfc1d

50318801949 has 16 divisors (see below), whose sum is σ = 72731141504. Its totient is φ = 30760344000.

The previous prime is 50318801917. The next prime is 50318801983. The reversal of 50318801949 is 94910881305.

It is not a de Polignac number, because 50318801949 - 25 = 50318801917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50318801898 and 50318801907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50318801249) 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, 4266382 + ... + 4278159.

It is an arithmetic number, because the mean of its divisors is an integer number (4545696344).

Almost surely, 250318801949 is an apocalyptic number.

It is an amenable number.

50318801949 is a deficient number, since it is larger than the sum of its proper divisors (22412339555).

50318801949 is a wasteful number, since it uses less digits than its factorization.

50318801949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8544708.

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 50318801949 in words is "fifty billion, three hundred eighteen million, eight hundred one thousand, nine hundred forty-nine".

Divisors: 1 3 13 39 151 453 1963 5889 8544541 25633623 111079033 333237099 1290225691 3870677073 16772933983 50318801949