Search a number
-
+
54421212445 = 541286192789
BaseRepresentation
bin110010101011110000…
…011100110100011101
312012110201010000220221
4302223300130310131
51342423312244240
641000055241341
73634415446645
oct625360346435
9165421100827
1054421212445
11210973a0436
12a669679251
135193a1bc72
1428c39ab525
151637abda4a
hexcabc1cd1d

54421212445 has 16 divisors (see below), whose sum is σ = 66922374960. Its totient is φ = 42459788800.

The previous prime is 54421212359. The next prime is 54421212463.

54421212445 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 16515848196 + 37905364249 = 128514^2 + 194693^2 .

It is not a de Polignac number, because 54421212445 - 27 = 54421212317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54421212445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540111 + ... + 632899.

It is an arithmetic number, because the mean of its divisors is an integer number (4182648435).

Almost surely, 254421212445 is an apocalyptic number.

It is an amenable number.

54421212445 is a deficient number, since it is larger than the sum of its proper divisors (12501162515).

54421212445 is a wasteful number, since it uses less digits than its factorization.

54421212445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95696.

The product of its digits is 51200, while the sum is 34.

The spelling of 54421212445 in words is "fifty-four billion, four hundred twenty-one million, two hundred twelve thousand, four hundred forty-five".

Divisors: 1 5 41 205 2861 14305 92789 117301 463945 586505 3804349 19021745 265469329 1327346645 10884242489 54421212445