Search a number
-
+
450640012406215 = 51747613184014689
BaseRepresentation
bin110011001110110101100110…
…1110111000110110111000111
32012002120202122021200021101211
41212131223031313012313013
5433031241221133444330
64234233055211232251
7163630444414143142
oct14635531567066707
92162522567607354
10450640012406215
111206513a092a295
1242661078448687
131645b22b405628
147d3d1431b3059
1537172aa743d2a
hex199dacddc6dc7

450640012406215 has 32 divisors (see below), whose sum is σ = 585714341917440. Its totient is φ = 331544415780864.

The previous prime is 450640012406209. The next prime is 450640012406263. The reversal of 450640012406215 is 512604210046054.

It is not a de Polignac number, because 450640012406215 - 217 = 450640012275143 is a prime.

It is a super-2 number, since 2×4506400124062152 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 89558410 + ... + 94456279.

It is an arithmetic number, because the mean of its divisors is an integer number (18303573184920).

Almost surely, 2450640012406215 is an apocalyptic number.

450640012406215 is a deficient number, since it is larger than the sum of its proper divisors (135074329511225).

450640012406215 is a wasteful number, since it uses less digits than its factorization.

450640012406215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184015371.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 450640012406215 in words is "four hundred fifty trillion, six hundred forty billion, twelve million, four hundred six thousand, two hundred fifteen".

Divisors: 1 5 17 47 85 235 613 799 3065 3995 10421 28811 52105 144055 489787 2448935 184014689 920073445 3128249713 8648690383 15641248565 43243451915 112801004357 147027736511 564005021785 735138682555 1917617074069 5301647204779 9588085370345 26508236023895 90128002481243 450640012406215