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50617311409 = 771101845697
BaseRepresentation
bin101111001001000001…
…101110000010110001
311211122121101211200101
4233021001232002301
51312131012431114
635130412352401
73441226022320
oct571101560261
9154577354611
1050617311409
111a515175275
129987775701
134a0891a052
1426427020b7
1514b3b81d74
hexbc906e0b1

50617311409 has 8 divisors (see below), whose sum is σ = 58663122048. Its totient is φ = 42775192320.

The previous prime is 50617311359. The next prime is 50617311427. The reversal of 50617311409 is 90411371605.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50617311409 - 27 = 50617311281 is a prime.

It is a super-2 number, since 2×506173114092 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50617311509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50922352 + ... + 50923345.

It is an arithmetic number, because the mean of its divisors is an integer number (7332890256).

Almost surely, 250617311409 is an apocalyptic number.

It is an amenable number.

50617311409 is a deficient number, since it is larger than the sum of its proper divisors (8045810639).

50617311409 is a wasteful number, since it uses less digits than its factorization.

50617311409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101845775.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 50617311409 in words is "fifty billion, six hundred seventeen million, three hundred eleven thousand, four hundred nine".

Divisors: 1 7 71 497 101845697 712919879 7231044487 50617311409