Search a number
-
+
44331220142 = 21123220339769
BaseRepresentation
bin101001010010010110…
…001011110010101110
311020102112000022120022
4221102112023302232
51211242243021032
632210535522142
73126366103526
oct512226136256
9136375008508
1044331220142
11178898aa920
128712529352
1342464b3211
142207900686
151246d86512
hexa5258bcae

44331220142 has 32 divisors (see below), whose sum is σ = 75732261120. Its totient is φ = 19265209920.

The previous prime is 44331220123. The next prime is 44331220151. The reversal of 44331220142 is 24102213344.

44331220142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1094834 + ... + 1134602.

It is an arithmetic number, because the mean of its divisors is an integer number (2366633160).

Almost surely, 244331220142 is an apocalyptic number.

44331220142 is a deficient number, since it is larger than the sum of its proper divisors (31401040978).

44331220142 is a wasteful number, since it uses less digits than its factorization.

44331220142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42008.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 44331220142 its reverse (24102213344), we get a palindrome (68433433486).

The spelling of 44331220142 in words is "forty-four billion, three hundred thirty-one million, two hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 11 22 23 46 253 506 2203 4406 24233 39769 48466 50669 79538 101338 437459 557359 874918 914687 1114718 1829374 10061557 20123114 87611107 175222214 963722177 1927444354 2015055461 4030110922 22165610071 44331220142