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144444420434 = 2107351672767
BaseRepresentation
bin1000011010000110001…
…1101111000101010010
3111210211120122211102102
42012201203233011102
54331310232423214
6150205025120402
713302316213166
oct2064143570522
9453746584372
10144444420434
1156293122a86
1223bb2189102
131080c5a8882
146dc39caca6
153b55ed1bde
hex21a18ef152

144444420434 has 8 divisors (see below), whose sum is σ = 216668971008. Its totient is φ = 72221430100.

The previous prime is 144444420431. The next prime is 144444420437. The reversal of 144444420434 is 434024444441.

It is an interprime number because it is at equal distance from previous prime (144444420431) and next prime (144444420437).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1444444204343 (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (144444420431) 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 3 ways as a sum of consecutive naturals, for example, 121682 + ... + 551085.

It is an arithmetic number, because the mean of its divisors is an integer number (27083621376).

Almost surely, 2144444420434 is an apocalyptic number.

144444420434 is a deficient number, since it is larger than the sum of its proper divisors (72224550574).

144444420434 is a wasteful number, since it uses less digits than its factorization.

144444420434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780120.

The product of its (nonzero) digits is 393216, while the sum is 38.

Adding to 144444420434 its reverse (434024444441), we get a palindrome (578468864875).

The spelling of 144444420434 in words is "one hundred forty-four billion, four hundred forty-four million, four hundred twenty thousand, four hundred thirty-four".

Divisors: 1 2 107351 214702 672767 1345534 72222210217 144444420434