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2117312507275 = 52712098928613
BaseRepresentation
bin11110110011111001101…
…010001110110110001011
321111102011011000200111221
4132303321222032312023
5234142224000213100
64300402511102511
7305653656235510
oct36637152166613
97442134020457
102117312507275
11746a46791939
122a2423811a37
1312487aa23b54
147469acdb307
153a12206e01a
hex1ecf9a8ed8b

2117312507275 has 12 divisors (see below), whose sum is σ = 3000534296272. Its totient is φ = 1451871433440.

The previous prime is 2117312507273. The next prime is 2117312507287. The reversal of 2117312507275 is 5727052137112.

It is not a de Polignac number, because 2117312507275 - 21 = 2117312507273 is a prime.

It is a super-3 number, since 3×21173125072753 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2117312507273) 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, 6049464132 + ... + 6049464481.

Almost surely, 22117312507275 is an apocalyptic number.

2117312507275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2117312507275 is a deficient number, since it is larger than the sum of its proper divisors (883221788997).

2117312507275 is a wasteful number, since it uses less digits than its factorization.

2117312507275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12098928630 (or 12098928625 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 43.

The spelling of 2117312507275 in words is "two trillion, one hundred seventeen billion, three hundred twelve million, five hundred seven thousand, two hundred seventy-five".

Divisors: 1 5 7 25 35 175 12098928613 60494643065 84692500291 302473215325 423462501455 2117312507275