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454444031500405 = 5177373238361241
BaseRepresentation
bin110011101010100000111111…
…1000100010110000001110101
32012121001102110220201102120221
41213111001333010112001311
5434031102334031003110
64250304412254254341
7164502332513013112
oct14725017704260165
92177042426642527
10454444031500405
111218886a44a5701
1242b7636a7b73b1
1316675b7175a62b
1480312cc115909
1537811eb0227da
hex19d507f116075

454444031500405 has 16 divisors (see below), whose sum is σ = 585320983046064. Its totient is φ = 337482368593920.

The previous prime is 454444031500309. The next prime is 454444031500453. The reversal of 454444031500405 is 504005130444454.

It can be written as a sum of positive squares in 8 ways, for example, as 1785812613649 + 452658218886756 = 1336343^2 + 21275766^2 .

It is not a de Polignac number, because 454444031500405 - 233 = 454435441565813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36619174416 + ... + 36619186825.

It is an arithmetic number, because the mean of its divisors is an integer number (36582561440379).

Almost surely, 2454444031500405 is an apocalyptic number.

It is an amenable number.

454444031500405 is a deficient number, since it is larger than the sum of its proper divisors (130876951545659).

454444031500405 is a wasteful number, since it uses less digits than its factorization.

454444031500405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73238361336.

The product of its (nonzero) digits is 1536000, while the sum is 43.

Adding to 454444031500405 its reverse (504005130444454), we get a palindrome (958449161944859).

The spelling of 454444031500405 in words is "four hundred fifty-four trillion, four hundred forty-four billion, thirty-one million, five hundred thousand, four hundred five".

Divisors: 1 5 17 73 85 365 1241 6205 73238361241 366191806205 1245052141097 5346400370593 6225260705485 26732001852965 90888806300081 454444031500405