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144379906760 = 2353609497669
BaseRepresentation
bin1000011001110110110…
…1101000101011001000
3111210200002021012022002
42012131231220223020
54331142224004020
6150154402250132
713300603646525
oct2063555505310
9453602235262
10144379906760
115625a7699a1
1223b94656948
13107cc10b2bb
146db91d614c
153b504db975
hex219db68ac8

144379906760 has 16 divisors (see below), whose sum is σ = 324854790300. Its totient is φ = 57751962688.

The previous prime is 144379906691. The next prime is 144379906831. The reversal of 144379906760 is 67609973441.

It can be written as a sum of positive squares in 2 ways, for example, as 142903656676 + 1476250084 = 378026^2 + 38422^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144379906696 and 144379906705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1804748795 + ... + 1804748874.

Almost surely, 2144379906760 is an apocalyptic number.

144379906760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144379906760 is an abundant number, since it is smaller than the sum of its proper divisors (180474883540).

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

144379906760 is a wasteful number, since it uses less digits than its factorization.

144379906760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609497680 (or 3609497676 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 56.

The spelling of 144379906760 in words is "one hundred forty-four billion, three hundred seventy-nine million, nine hundred six thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 3609497669 7218995338 14437990676 18047488345 28875981352 36094976690 72189953380 144379906760