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13192880540 = 2257238934607
BaseRepresentation
bin11000100100101101…
…10110000110011100
31021001102201202211012
430102112312012130
5204004334134130
610021041114352
7644634430400
oct142226660634
937042652735
1013192880540
115660045464
1226823289b8
1313233355b8
148d2217100
15523351995
hex3125b619c

13192880540 has 72 divisors (see below), whose sum is σ = 32312105280. Its totient is φ = 4511515008.

The previous prime is 13192880537. The next prime is 13192880551. The reversal of 13192880540 is 4508829131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 363917 + ... + 398523.

It is an arithmetic number, because the mean of its divisors is an integer number (448779240).

Almost surely, 213192880540 is an apocalyptic number.

13192880540 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 13192880540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16156052640).

13192880540 is an abundant number, since it is smaller than the sum of its proper divisors (19119224740).

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

13192880540 is a wasteful number, since it uses less digits than its factorization.

13192880540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35019 (or 35010 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 13192880540 in words is "thirteen billion, one hundred ninety-two million, eight hundred eighty thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 389 490 778 980 1556 1945 2723 3890 5446 7780 10892 13615 19061 27230 34607 38122 54460 69214 76244 95305 138428 173035 190610 242249 346070 381220 484498 692140 968996 1211245 1695743 2422490 3391486 4844980 6782972 8478715 13462123 16957430 26924246 33914860 53848492 67310615 94234861 134621230 188469722 269242460 376939444 471174305 659644027 942348610 1319288054 1884697220 2638576108 3298220135 6596440270 13192880540