Search a number
-
+
44551400420 = 2252227570021
BaseRepresentation
bin101001011111011110…
…000110101111100100
311020222212022122010102
4221133132012233210
51212220124303140
632244443043232
73135011440532
oct513736065744
9136885278112
1044551400420
111799211659a
128774210518
13427ccb49c7
142228c57152
15125b379e15
hexa5f786be4

44551400420 has 12 divisors (see below), whose sum is σ = 93557940924. Its totient is φ = 17820560160.

The previous prime is 44551400389. The next prime is 44551400449. The reversal of 44551400420 is 2400415544.

It can be written as a sum of positive squares in 2 ways, for example, as 16059985984 + 28491414436 = 126728^2 + 168794^2 .

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, 1113784991 + ... + 1113785030.

It is an arithmetic number, because the mean of its divisors is an integer number (7796495077).

Almost surely, 244551400420 is an apocalyptic number.

It is an amenable number.

44551400420 is an abundant number, since it is smaller than the sum of its proper divisors (49006540504).

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

44551400420 is a wasteful number, since it uses less digits than its factorization.

44551400420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227570030 (or 2227570028 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 44551400420 its reverse (2400415544), we get a palindrome (46951815964).

The spelling of 44551400420 in words is "forty-four billion, five hundred fifty-one million, four hundred thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2227570021 4455140042 8910280084 11137850105 22275700210 44551400420