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451424404141240 = 23524146828257691
BaseRepresentation
bin110011010100100010110111…
…1010000000111010010111000
32012012100202021220010000000111
41212221011233100013102320
5433132114134430004430
64240033301444314104
7164041223363654365
oct14651055720072270
92165322256100014
10451424404141240
11120924018589542
12427690a76a2934
13164b71a580544a
147d690b461946c
15372c8b861ec2a
hex19a916f4074b8

451424404141240 has 32 divisors (see below), whose sum is σ = 1019919452531760. Its totient is φ = 179820509529600.

The previous prime is 451424404141237. The next prime is 451424404141253. The reversal of 451424404141240 is 42141404424154.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 451424404141193 and 451424404141202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23414119206 + ... + 23414138485.

Almost surely, 2451424404141240 is an apocalyptic number.

451424404141240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451424404141240 is an abundant number, since it is smaller than the sum of its proper divisors (568495048390520).

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

451424404141240 is a wasteful number, since it uses less digits than its factorization.

451424404141240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46828257943 (or 46828257939 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 40.

Adding to 451424404141240 its reverse (42141404424154), we get a palindrome (493565808565394).

The spelling of 451424404141240 in words is "four hundred fifty-one trillion, four hundred twenty-four billion, four hundred four million, one hundred forty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 241 482 964 1205 1928 2410 4820 9640 46828257691 93656515382 187313030764 234141288455 374626061528 468282576910 936565153820 1873130307640 11285610103531 22571220207062 45142440414124 56428050517655 90284880828248 112856101035310 225712202070620 451424404141240