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13140878080 = 28511933301
BaseRepresentation
bin11000011110100000…
…11110001100000000
31020220210212202212011
430033100132030000
5203403031044310
610011542342304
7643433422621
oct141720361400
936823782764
1013140878080
115633757220
122668a2a994
131315628905
148c935ba48
1551d9cd78a
hex30f41e300

13140878080 has 72 divisors (see below), whose sum is σ = 34338047184. Its totient is φ = 4778496000.

The previous prime is 13140878039. The next prime is 13140878089. The reversal of 13140878080 is 8087804131.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (13140878089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452571 + ... + 480730.

It is an arithmetic number, because the mean of its divisors is an integer number (476917322).

Almost surely, 213140878080 is an apocalyptic number.

13140878080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13140878080 is an abundant number, since it is smaller than the sum of its proper divisors (21197169104).

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

13140878080 is an equidigital number, since it uses as much as digits as its factorization.

13140878080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933333 (or 933319 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The spelling of 13140878080 in words is "thirteen billion, one hundred forty million, eight hundred seventy-eight thousand, eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 256 320 352 440 640 704 880 1280 1408 1760 2816 3520 7040 14080 933301 1866602 3733204 4666505 7466408 9333010 10266311 14932816 18666020 20532622 29865632 37332040 41065244 51331555 59731264 74664080 82130488 102663110 119462528 149328160 164260976 205326220 238925056 298656320 328521952 410652440 597312640 657043904 821304880 1194625280 1314087808 1642609760 2628175616 3285219520 6570439040 13140878080