Search a number
-
+
450744552864 = 253229151419853
BaseRepresentation
bin1101000111100100111…
…10000000110110100000
31121002110011101202010200
412203302132000312200
524341111101142424
6543022540025200
744364604324554
oct6436236006640
91532404352120
10450744552864
11164183604aa1
1273435532200
1333674719398
1417b5d747864
15bad18118c9
hex68f2780da0

450744552864 has 288 divisors, whose sum is σ = 1339540675200. Its totient is φ = 143594035200.

The previous prime is 450744552851. The next prime is 450744552883. The reversal of 450744552864 is 468255447054.

450744552864 is a `hidden beast` number, since 4 + 5 + 0 + 7 + 4 + 4 + 552 + 86 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a self number, because there is not a number n which added to its sum of digits gives 450744552864.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 528422262 + ... + 528423114.

It is an arithmetic number, because the mean of its divisors is an integer number (4651182900).

Almost surely, 2450744552864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450744552864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669770337600).

450744552864 is an abundant number, since it is smaller than the sum of its proper divisors (888796122336).

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

450744552864 is a wasteful number, since it uses less digits than its factorization.

450744552864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468 (or 1457 counting only the distinct ones).

The product of its (nonzero) digits is 21504000, while the sum is 54.

The spelling of 450744552864 in words is "four hundred fifty billion, seven hundred forty-four million, five hundred fifty-two thousand, eight hundred sixty-four".