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451113114545440 = 2552819456965909
BaseRepresentation
bin110011010010010001111010…
…0111100100010110100100000
32012011020222210120211002021121
41212210203310330202310200
5433112014124310423230
64235234300500102024
7164006563342031404
oct14644436474426440
92164228716732247
10451113114545440
11120813aa7736886
12427188b1394914
1316493a26a84c49
147d57dc3d81104
153724749c6a77a
hex19a48f4f22d20

451113114545440 has 24 divisors (see below), whose sum is σ = 1065754733113980. Its totient is φ = 180445245818112.

The previous prime is 451113114545411. The next prime is 451113114545497. The reversal of 451113114545440 is 44545411311154.

It can be written as a sum of positive squares in 2 ways, for example, as 406404795146256 + 44708319399184 = 20159484^2 + 6686428^2 .

It is a super-2 number, since 2×4511131145454402 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409728482795 + ... + 1409728483114.

Almost surely, 2451113114545440 is an apocalyptic number.

451113114545440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451113114545440 is an abundant number, since it is smaller than the sum of its proper divisors (614641618568540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451113114545440 is a wasteful number, since it uses less digits than its factorization.

451113114545440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819456965924 (or 2819456965916 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 43.

Adding to 451113114545440 its reverse (44545411311154), we get a palindrome (495658525856594).

The spelling of 451113114545440 in words is "four hundred fifty-one trillion, one hundred thirteen billion, one hundred fourteen million, five hundred forty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 2819456965909 5638913931818 11277827863636 14097284829545 22555655727272 28194569659090 45111311454544 56389139318180 90222622909088 112778278636360 225556557272720 451113114545440