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50550550000145 = 51337198011061509
BaseRepresentation
bin10110111111001101101111…
…00100110111001000010001
320121222120210202010001100222
423133212313210313020101
523111210011300001040
6255302334014322425
713435104516255266
oct1337466744671021
9217876722101328
1050550550000145
111511a405696908
125805050ab9415
132228b86551030
14c6a93420b26d
155c9e0857abb5
hex2df9b7937211

50550550000145 has 32 divisors (see below), whose sum is σ = 67095907095840. Its totient is φ = 36318859315200.

The previous prime is 50550550000109. The next prime is 50550550000169. The reversal of 50550550000145 is 54100005505505.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 44010168288256 + 6540381711889 = 6634016^2 + 2557417^2 .

It is not a de Polignac number, because 50550550000145 - 212 = 50550549996049 is a prime.

It is a super-3 number, since 3×505505500001453 (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47090651 + ... + 48152159.

It is an arithmetic number, because the mean of its divisors is an integer number (2096747096745).

Almost surely, 250550550000145 is an apocalyptic number.

It is an amenable number.

50550550000145 is a deficient number, since it is larger than the sum of its proper divisors (16545357095695).

50550550000145 is a wasteful number, since it uses less digits than its factorization.

50550550000145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081365.

The product of its (nonzero) digits is 62500, while the sum is 35.

The spelling of 50550550000145 in words is "fifty trillion, five hundred fifty billion, five hundred fifty million, one hundred forty-five", and thus it is an aban number.

Divisors: 1 5 13 37 65 185 481 2405 19801 99005 257413 732637 1061509 1287065 3663185 5307545 9524281 13799617 39275833 47621405 68998085 196379165 510585829 2552929145 21018939709 105094698545 273246216217 777700769233 1366231081085 3888503846165 10110110000029 50550550000145