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49019713749 = 3243126665927
BaseRepresentation
bin101101101001110011…
…010111100011010101
311200112021020110200200
4231221303113203111
51300343021314444
634304102331113
73353516456226
oct555163274325
9150467213620
1049019713749
1119875394526
129600729a99
1348129458a6
14253047524d
15141d7a9969
hexb69cd78d5

49019713749 has 12 divisors (see below), whose sum is σ = 72452910816. Its totient is φ = 31919813352.

The previous prime is 49019713733. The next prime is 49019713777. The reversal of 49019713749 is 94731791094.

49019713749 is a `hidden beast` number, since 490 + 19 + 7 + 137 + 4 + 9 = 666.

It is not a de Polignac number, because 49019713749 - 24 = 49019713733 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 49019713695 and 49019713704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49019713709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63332577 + ... + 63333350.

It is an arithmetic number, because the mean of its divisors is an integer number (6037742568).

Almost surely, 249019713749 is an apocalyptic number.

It is an amenable number.

49019713749 is a deficient number, since it is larger than the sum of its proper divisors (23433197067).

49019713749 is a wasteful number, since it uses less digits than its factorization.

49019713749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126665976 (or 126665973 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 49019713749 in words is "forty-nine billion, nineteen million, seven hundred thirteen thousand, seven hundred forty-nine".

Divisors: 1 3 9 43 129 387 126665927 379997781 1139993343 5446634861 16339904583 49019713749