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144420333333 = 3127389974437
BaseRepresentation
bin1000011010000000011…
…1110110011100010101
3111210202220100002010120
42012200013312130111
54331233101131313
6150202404542153
713301604402333
oct2064007663425
9453686302116
10144420333333
1156280570a91
1223ba60b1959
13108075c4053
146dc071ab53
153b53d24d23
hex21a01f6715

144420333333 has 16 divisors (see below), whose sum is σ = 194575779840. Its totient is φ = 95276454336.

The previous prime is 144420333313. The next prime is 144420333341. The reversal of 144420333333 is 333333024441.

It is not a de Polignac number, because 144420333333 - 213 = 144420325141 is a prime.

144420333333 is a modest number, since divided by 333333 gives 144420 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 144420333294 and 144420333303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144420333313) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 339010 + ... + 635427.

It is an arithmetic number, because the mean of its divisors is an integer number (12160986240).

Almost surely, 2144420333333 is an apocalyptic number.

It is an amenable number.

144420333333 is a deficient number, since it is larger than the sum of its proper divisors (50155446507).

144420333333 is a wasteful number, since it uses less digits than its factorization.

144420333333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974956.

The product of its (nonzero) digits is 93312, while the sum is 33.

Adding to 144420333333 its reverse (333333024441), we get a palindrome (477753357774).

It can be divided in two parts, 144420 and 333333, that added together give a triangular number (477753 = T977).

The spelling of 144420333333 in words is "one hundred forty-four billion, four hundred twenty million, three hundred thirty-three thousand, three hundred thirty-three".

Divisors: 1 3 127 381 389 1167 49403 148209 974437 2923311 123753499 371260497 379055993 1137167979 48140111111 144420333333