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13581413580 = 2235732336699
BaseRepresentation
bin11001010011000001…
…11110110011001100
31022001111211021221210
430221200332303030
5210303320213310
610123400454420
7660363052650
oct145140766314
938044737853
1013581413580
11583a399049
12277047a410
1313859906c7
1492ba74a60
155474ec820
hex32983eccc

13581413580 has 48 divisors (see below), whose sum is σ = 43460524800. Its totient is φ = 3104323008.

The previous prime is 13581413569. The next prime is 13581413639. The reversal of 13581413580 is 8531418531.

13581413580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 16167930 + ... + 16168769.

It is an arithmetic number, because the mean of its divisors is an integer number (905427600).

Almost surely, 213581413580 is an apocalyptic number.

13581413580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13581413580 is an abundant number, since it is smaller than the sum of its proper divisors (29879111220).

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

13581413580 is a wasteful number, since it uses less digits than its factorization.

13581413580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32336718 (or 32336716 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 13581413580 in words is "thirteen billion, five hundred eighty-one million, four hundred thirteen thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 32336699 64673398 97010097 129346796 161683495 194020194 226356893 323366990 388040388 452713786 485050485 646733980 679070679 905427572 970100970 1131784465 1358141358 1940201940 2263568930 2716282716 3395353395 4527137860 6790706790 13581413580