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144539980319 = 720839912899
BaseRepresentation
bin1000011010011101000…
…0010001001000011111
3111211002020110202221102
42012213100101020133
54332004213332234
6150222321223315
713304556363350
oct2064720211037
9454066422842
10144539980319
1156332061599
122401a191b3b
1310826326397
146dd2583d27
153b5e5aac7e
hex21a741121f

144539980319 has 8 divisors (see below), whose sum is σ = 165267868800. Its totient is φ = 123831921816.

The previous prime is 144539980307. The next prime is 144539980327. The reversal of 144539980319 is 913089935441.

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

It is a cyclic number.

It is not a de Polignac number, because 144539980319 - 228 = 144271544863 is a prime.

It is a super-2 number, since 2×1445399803192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144539980369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4941869 + ... + 4971030.

It is an arithmetic number, because the mean of its divisors is an integer number (20658483600).

Almost surely, 2144539980319 is an apocalyptic number.

144539980319 is a deficient number, since it is larger than the sum of its proper divisors (20727888481).

144539980319 is an equidigital number, since it uses as much as digits as its factorization.

144539980319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9914989.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 144539980319 in words is "one hundred forty-four billion, five hundred thirty-nine million, nine hundred eighty thousand, three hundred nineteen".

Divisors: 1 7 2083 14581 9912899 69390293 20648568617 144539980319