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13124240430440 = 2358312163325009
BaseRepresentation
bin1011111011111011100110…
…1100000101010101101000
31201110122221212210022210012
42332332321230011111220
53210011421022233230
643525105352111052
72523123625004636
oct276767154052550
951418855708705
1013124240430440
1141aaa60635a87
12157b695695488
137427c2535c09
143353065ca356
1517b5d1a56395
hexbefb9b05568

13124240430440 has 64 divisors (see below), whose sum is σ = 29887867598400. Its totient is φ = 5186004452352.

The previous prime is 13124240430397. The next prime is 13124240430467. The reversal of 13124240430440 is 4403404242131.

It is a junction number, because it is equal to n+sod(n) for n = 13124240430397 and 13124240430406.

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, 40218656 + ... + 40543664.

It is an arithmetic number, because the mean of its divisors is an integer number (466997931225).

Almost surely, 213124240430440 is an apocalyptic number.

13124240430440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13124240430440 is an abundant number, since it is smaller than the sum of its proper divisors (16763627167960).

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

13124240430440 is a wasteful number, since it uses less digits than its factorization.

13124240430440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337266 (or 337262 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 13124240430440 its reverse (4403404242131), we get a palindrome (17527644672571).

The spelling of 13124240430440 in words is "thirteen trillion, one hundred twenty-four billion, two hundred forty million, four hundred thirty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 83 166 332 415 664 830 1660 3320 12163 24326 48652 60815 97304 121630 243260 325009 486520 650018 1009529 1300036 1625045 2019058 2600072 3250090 4038116 5047645 6500180 8076232 10095290 13000360 20190580 26975747 40381160 53951494 107902988 134878735 215805976 269757470 539514940 1079029880 3953084467 7906168934 15812337868 19765422335 31624675736 39530844670 79061689340 158123378680 328106010761 656212021522 1312424043044 1640530053805 2624848086088 3281060107610 6562120215220 13124240430440