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275164321993 = 1167499748211
BaseRepresentation
bin1000000000100010001…
…00100101100011001001
3222022020200012212022221
410000101010211203021
514002014031300433
6330224142214041
725610554101001
oct4002104454311
9868220185287
10275164321993
11a67730a4880
12453b3b84321
131cc4266a152
14d464931001
15725714972d
hex40111258c9

275164321993 has 16 divisors (see below), whose sum is σ = 305270496000. Its totient is φ = 245921662800.

The previous prime is 275164321969. The next prime is 275164322009. The reversal of 275164321993 is 399123461572.

It is not a de Polignac number, because 275164321993 - 229 = 274627451081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 275164321993.

It is not an unprimeable number, because it can be changed into a prime (275164321963) 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, 6343 + ... + 741868.

It is an arithmetic number, because the mean of its divisors is an integer number (19079406000).

Almost surely, 2275164321993 is an apocalyptic number.

It is an amenable number.

275164321993 is a deficient number, since it is larger than the sum of its proper divisors (30106174007).

275164321993 is a wasteful number, since it uses less digits than its factorization.

275164321993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748788.

The product of its digits is 2449440, while the sum is 52.

The spelling of 275164321993 in words is "two hundred seventy-five billion, one hundred sixty-four million, three hundred twenty-one thousand, nine hundred ninety-three".

Divisors: 1 11 67 499 737 5489 33433 367763 748211 8230321 50130137 373357289 551431507 4106930179 25014938363 275164321993