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14431242320 = 2451141399979
BaseRepresentation
bin11010111000010101…
…10100100001010000
31101020201221001211022
431130022310201100
5214023344223240
610343555335012
71020422351525
oct153412644120
941221831738
1014431242320
116136072a50
122968bb1468
13148ca6ba51
149ac89114c
15596e189b5
hex35c2b4850

14431242320 has 80 divisors (see below), whose sum is σ = 37495725120. Its totient is φ = 5119718400.

The previous prime is 14431242307. The next prime is 14431242367. The reversal of 14431242320 is 2324213441.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 14431242320.

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, 163910 + ... + 236069.

It is an arithmetic number, because the mean of its divisors is an integer number (468696564).

Almost surely, 214431242320 is an apocalyptic number.

14431242320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14431242320 is an abundant number, since it is smaller than the sum of its proper divisors (23064482800).

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

14431242320 is a wasteful number, since it uses less digits than its factorization.

14431242320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400044 (or 400038 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 14431242320 its reverse (2324213441), we get a palindrome (16755455761).

The spelling of 14431242320 in words is "fourteen billion, four hundred thirty-one million, two hundred forty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 41 44 55 80 82 88 110 164 176 205 220 328 410 440 451 656 820 880 902 1640 1804 2255 3280 3608 4510 7216 9020 18040 36080 399979 799958 1599916 1999895 3199832 3999790 4399769 6399664 7999580 8799538 15999160 16399139 17599076 21998845 31998320 32798278 35198152 43997690 65596556 70396304 81995695 87995380 131193112 163991390 175990760 180390529 262386224 327982780 351981520 360781058 655965560 721562116 901952645 1311931120 1443124232 1803905290 2886248464 3607810580 7215621160 14431242320