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13001730672 = 243758765921
BaseRepresentation
bin11000001101111011…
…01010101001110000
31020120010001100111110
430012331222221300
5203111420340142
65550052113320
7640123613220
oct140675525160
936503040443
1013001730672
115572157767
12262a305840
1312c2859678
148b4a9a080
1551169499c
hex306f6aa70

13001730672 has 80 divisors (see below), whose sum is σ = 38452038912. Its totient is φ = 3708395520.

The previous prime is 13001730671. The next prime is 13001730691. The reversal of 13001730672 is 27603710031.

13001730672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001730671) by changing a digit.

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, 164272 + ... + 230192.

Almost surely, 213001730672 is an apocalyptic number.

13001730672 is a gapful number since it is divisible by the number (12) 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 13001730672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19226019456).

13001730672 is an abundant number, since it is smaller than the sum of its proper divisors (25450308240).

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

13001730672 is a wasteful number, since it uses less digits than its factorization.

13001730672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66526 (or 66520 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The spelling of 13001730672 in words is "thirteen billion, one million, seven hundred thirty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 587 1174 1761 2348 3522 4109 4696 7044 8218 9392 12327 14088 16436 24654 28176 32872 49308 65744 65921 98616 131842 197232 197763 263684 395526 461447 527368 791052 922894 1054736 1384341 1582104 1845788 2768682 3164208 3691576 5537364 7383152 11074728 22149456 38695627 77391254 116086881 154782508 232173762 270869389 309565016 464347524 541738778 619130032 812608167 928695048 1083477556 1625216334 1857390096 2166955112 3250432668 4333910224 6500865336 13001730672