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545430445300 = 22521311312792903
BaseRepresentation
bin1111110111111100011…
…00000001110011110100
31221010211222121110020201
413323332030001303310
532414020143222200
61054322311210244
754256163201236
oct7737614016364
91833758543221
10545430445300
111a03522a3464
128985b676984
133c5842a0080
141c582b00256
15e2c424ac6a
hex7efe301cf4

545430445300 has 144 divisors (see below), whose sum is σ = 1287357603840. Its totient is φ = 199382722560.

The previous prime is 545430445289. The next prime is 545430445303. The reversal of 545430445300 is 3544034545.

It is a self number, because there is not a number n which added to its sum of digits gives 545430445300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545430445303) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 187883649 + ... + 187886551.

It is an arithmetic number, because the mean of its divisors is an integer number (8939983360).

Almost surely, 2545430445300 is an apocalyptic number.

545430445300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545430445300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643678801920).

545430445300 is an abundant number, since it is smaller than the sum of its proper divisors (741927158540).

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

545430445300 is a wasteful number, since it uses less digits than its factorization.

545430445300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322 (or 4315 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 545430445300 its reverse (3544034545), we get a palindrome (548974479845).

The spelling of 545430445300 in words is "five hundred forty-five billion, four hundred thirty million, four hundred forty-five thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 113 130 226 260 325 452 565 650 1130 1279 1300 1469 2260 2558 2825 2903 2938 5116 5650 5806 5876 6395 7345 11300 11612 12790 14515 14690 16627 25580 29030 29380 31975 33254 36725 37739 58060 63950 66508 72575 73450 75478 83135 127900 144527 145150 146900 150956 166270 188695 289054 290300 328039 332540 377390 415675 578108 656078 722635 754780 831350 943475 1312156 1445270 1640195 1662700 1878851 1886950 2890540 3280390 3613175 3712937 3757702 3773900 4264507 6560780 7226350 7425874 7515404 8200975 8529014 9394255 14452700 14851748 16401950 17058028 18564685 18788510 21322535 32803900 37129370 37577020 42645070 46971275 48268181 74258740 85290140 92823425 93942550 96536362 106612675 185646850 187885100 193072724 213225350 241340905 371293700 419561881 426450700 482681810 839123762 965363620 1206704525 1678247524 2097809405 2413409050 4195618810 4826818100 5454304453 8391237620 10489047025 10908608906 20978094050 21817217812 27271522265 41956188100 54543044530 109086089060 136357611325 272715222650 545430445300