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49030819137 = 3231311709797
BaseRepresentation
bin101101101010011101…
…101110110101000001
311200120001010200102100
4231222131232311001
51300403342203022
634305140341013
73354013041366
oct555235566501
9150501120370
1049030819137
111988068a133
1296043a4769
134815033621
142531b2646d
15141e7501ac
hexb6a76ed41

49030819137 has 48 divisors (see below), whose sum is σ = 73537551360. Its totient is φ = 31447094400.

The previous prime is 49030819121. The next prime is 49030819139. The reversal of 49030819137 is 73191803094.

It is not a de Polignac number, because 49030819137 - 24 = 49030819121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49030819092 and 49030819101.

It is not an unprimeable number, because it can be changed into a prime (49030819139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61518823 + ... + 61519619.

It is an arithmetic number, because the mean of its divisors is an integer number (1532032320).

Almost surely, 249030819137 is an apocalyptic number.

It is an amenable number.

49030819137 is a deficient number, since it is larger than the sum of its proper divisors (24506732223).

49030819137 is a wasteful number, since it uses less digits than its factorization.

49030819137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854 (or 1851 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 49030819137 in words is "forty-nine billion, thirty million, eight hundred nineteen thousand, one hundred thirty-seven".

Divisors: 1 3 9 31 93 279 311 709 797 933 2127 2391 2799 6381 7173 9641 21979 24707 28923 65937 74121 86769 197811 220499 222363 247867 565073 661497 743601 1695219 1984491 2230803 5085657 6835469 7683877 17517263 20506407 23051631 52551789 61519221 69154893 157655367 175737703 527213109 1581639327 5447868793 16343606379 49030819137