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50172743247 = 3111665191309
BaseRepresentation
bin101110101110100001…
…110100111001001111
311210111121212102210220
4232232201310321033
51310223210240442
635014332002423
73424220165244
oct565641647117
9153447772726
1050172743247
111a307229670
129882900413
1349677a2873
1425dd6595cb
151489b17eec
hexbae874e4f

50172743247 has 16 divisors (see below), whose sum is σ = 72983717760. Its totient is φ = 30405564000.

The previous prime is 50172743239. The next prime is 50172743279. The reversal of 50172743247 is 74234727105.

It is not a de Polignac number, because 50172743247 - 23 = 50172743239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50172743199 and 50172743208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50172743147) 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, 503829 + ... + 595137.

It is an arithmetic number, because the mean of its divisors is an integer number (4561482360).

Almost surely, 250172743247 is an apocalyptic number.

50172743247 is a deficient number, since it is larger than the sum of its proper divisors (22810974513).

50172743247 is a wasteful number, since it uses less digits than its factorization.

50172743247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107974.

The product of its (nonzero) digits is 329280, while the sum is 42.

The spelling of 50172743247 in words is "fifty billion, one hundred seventy-two million, seven hundred forty-three thousand, two hundred forty-seven".

Divisors: 1 3 11 33 16651 49953 91309 183161 273927 549483 1004399 3013197 1520386159 4561158477 16724247749 50172743247