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144437144430 = 23519253398499
BaseRepresentation
bin1000011010000100011…
…1111110101101101110
3111210211001222011121210
42012201013332231232
54331301402110210
6150204205135250
713302200320305
oct2064107765556
9453731864553
10144437144430
115628a003457
1223bab85a526
131080ac2bb47
146dc2a5543c
153b55545e20
hex21a11feb6e

144437144430 has 32 divisors (see below), whose sum is σ = 364893840000. Its totient is φ = 36489383712.

The previous prime is 144437144417. The next prime is 144437144441. The reversal of 144437144430 is 34441734441.

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, 126698680 + ... + 126699819.

It is an arithmetic number, because the mean of its divisors is an integer number (11402932500).

Almost surely, 2144437144430 is an apocalyptic number.

144437144430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144437144430 is an abundant number, since it is smaller than the sum of its proper divisors (220456695570).

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

144437144430 is a wasteful number, since it uses less digits than its factorization.

144437144430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253398528.

The product of its (nonzero) digits is 258048, while the sum is 39.

Adding to 144437144430 its reverse (34441734441), we get a palindrome (178878878871).

The spelling of 144437144430 in words is "one hundred forty-four billion, four hundred thirty-seven million, one hundred forty-four thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 253398499 506796998 760195497 1266992495 1520390994 2533984990 3800977485 4814571481 7601954970 9629142962 14443714443 24072857405 28887428886 48145714810 72218572215 144437144430