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144950779430 = 2572719938209
BaseRepresentation
bin1000011011111110111…
…1010101111000100110
3111212010212110112101022
42012333233111320212
54333324344420210
6150331154131142
713321005203402
oct2067757257046
9455125415338
10144950779430
1156522a32a96
1224113880ab2
1310890479192
147030d5a102
153b856a4155
hex21bfbd5e26

144950779430 has 16 divisors (see below), whose sum is σ = 261270303840. Its totient is φ = 57900556032.

The previous prime is 144950779417. The next prime is 144950779481. The reversal of 144950779430 is 34977059441.

It is a super-2 number, since 2×1449507794302 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9961835 + ... + 9976374.

It is an arithmetic number, because the mean of its divisors is an integer number (16329393990).

Almost surely, 2144950779430 is an apocalyptic number.

144950779430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144950779430 is a deficient number, since it is larger than the sum of its proper divisors (116319524410).

144950779430 is a wasteful number, since it uses less digits than its factorization.

144950779430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19938943.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 144950779430 in words is "one hundred forty-four billion, nine hundred fifty million, seven hundred seventy-nine thousand, four hundred thirty".

Divisors: 1 2 5 10 727 1454 3635 7270 19938209 39876418 99691045 199382090 14495077943 28990155886 72475389715 144950779430