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130244251550 = 252738391499
BaseRepresentation
bin111100101001100101…
…0011000111110011110
3110110011221112111202112
41321103022120332132
54113220012022200
6135500002154022
712260400605000
oct1712312307636
9413157474675
10130244251550
1150266536a16
12212aa652912
13c38868388a
146437aca370
1535c450e535
hex1e53298f9e

130244251550 has 96 divisors (see below), whose sum is σ = 285919200000. Its totient is φ = 44116675680.

The previous prime is 130244251499. The next prime is 130244251567. The reversal of 130244251550 is 55152442031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1377701 + ... + 1469199.

It is an arithmetic number, because the mean of its divisors is an integer number (2978325000).

Almost surely, 2130244251550 is an apocalyptic number.

130244251550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130244251550 is an abundant number, since it is smaller than the sum of its proper divisors (155674948450).

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

130244251550 is an equidigital number, since it uses as much as digits as its factorization.

130244251550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91615 (or 91596 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 130244251550 its reverse (55152442031), we get a palindrome (185396693581).

The spelling of 130244251550 in words is "one hundred thirty billion, two hundred forty-four million, two hundred fifty-one thousand, five hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 83 98 166 175 245 343 350 415 490 581 686 830 1162 1225 1715 2075 2450 2905 3430 4067 4150 5810 8134 8575 14525 17150 20335 28469 29050 40670 56938 91499 101675 142345 182998 203350 284690 457495 640493 711725 914990 1280986 1423450 2287475 3202465 4483451 4574950 6404930 7594417 8966902 15188834 16012325 22417255 31384157 32024650 37972085 44834510 53160919 62768314 75944170 106321838 112086275 156920785 189860425 224172550 265804595 313841570 372126433 379720850 531609190 744252866 784603925 1329022975 1569207850 1860632165 2604885031 2658045950 3721264330 5209770062 9303160825 13024425155 18606321650 26048850310 65122125775 130244251550