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49192260689 = 11213232311907
BaseRepresentation
bin101101110100000101…
…100101010001010001
311200222021220202121002
4231310011211101101
51301221204320224
634333144511345
73361013213435
oct556405452121
9150867822532
1049192260689
1119953826600
12964a47b555
13483c60a280
14254934c9c5
15142d9de9ae
hexb74165451

49192260689 has 72 divisors (see below), whose sum is σ = 62868508416. Its totient is φ = 38191665600.

The previous prime is 49192260617. The next prime is 49192260697. The reversal of 49192260689 is 98606229194.

It is a happy number.

It is not a de Polignac number, because 49192260689 - 212 = 49192256593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49192266689) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25794674 + ... + 25796580.

It is an arithmetic number, because the mean of its divisors is an integer number (873173728).

Almost surely, 249192260689 is an apocalyptic number.

It is an amenable number.

49192260689 is a deficient number, since it is larger than the sum of its proper divisors (13676247727).

49192260689 is a wasteful number, since it uses less digits than its factorization.

49192260689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019 (or 1985 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 56.

The spelling of 49192260689 in words is "forty-nine billion, one hundred ninety-two million, two hundred sixty thousand, six hundred eighty-nine".

Divisors: 1 11 13 23 31 121 143 253 299 341 403 529 713 1573 1907 2783 3289 3751 4433 5819 6877 7843 9269 16399 20977 24791 36179 43861 48763 59117 64009 75647 86273 101959 180389 213187 230747 272701 482471 570193 650287 768521 832117 1008803 1121549 1359691 1984279 2345057 2999711 5307181 6272123 7153157 8453731 11096833 13114439 14956601 17675983 25795627 31272893 68993353 92991041 122065163 144258829 164522611 194435813 344001823 406547609 1586847119 2138793943 3784020053 4472023699 49192260689