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13144622560 = 255197395851
BaseRepresentation
bin11000011110111101…
…10000010111100000
31020221001221000022121
430033132300113200
5203410010410220
610012154514024
7643510306516
oct141736602740
936831830277
1013144622560
115635884533
12266a135914
13131633a094
148c9a544b6
1551debceaa
hex30f7b05e0

13144622560 has 96 divisors (see below), whose sum is σ = 32738428800. Its totient is φ = 4973529600.

The previous prime is 13144622531. The next prime is 13144622597. The reversal of 13144622560 is 6522644131.

13144622560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131446225602 (a number of 21 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2243635 + ... + 2249485.

It is an arithmetic number, because the mean of its divisors is an integer number (341025300).

Almost surely, 213144622560 is an apocalyptic number.

13144622560 is a gapful number since it is divisible by the number (10) 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 13144622560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16369214400).

13144622560 is an abundant number, since it is smaller than the sum of its proper divisors (19593806240).

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

13144622560 is a wasteful number, since it uses less digits than its factorization.

13144622560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6624 (or 6616 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 13144622560 in words is "thirteen billion, one hundred forty-four million, six hundred twenty-two thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 739 760 1478 1520 2956 3040 3695 5851 5912 7390 11702 11824 14041 14780 23404 23648 28082 29255 29560 46808 56164 58510 59120 70205 93616 111169 112328 117020 118240 140410 187232 222338 224656 234040 280820 444676 449312 468080 555845 561640 889352 936160 1111690 1123280 1778704 2223380 2246560 3557408 4323889 4446760 8647778 8893520 17295556 17787040 21619445 34591112 43238890 69182224 82153891 86477780 138364448 164307782 172955560 328615564 345911120 410769455 657231128 691822240 821538910 1314462256 1643077820 2628924512 3286155640 6572311280 13144622560