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26271103240 = 2352368341809
BaseRepresentation
bin11000011101111000…
…010011100100001000
32111210212201022122201
4120131320103210020
5412300400300430
620022504525544
71620010456504
oct303570234410
974725638581
1026271103240
1110161397778
1251121808b4
132628994705
1413b3105304
15a3b5a58ca
hex61de13908

26271103240 has 64 divisors (see below), whose sum is σ = 61771766400. Its totient is φ = 10036595712.

The previous prime is 26271103237. The next prime is 26271103241. The reversal of 26271103240 is 4230117262.

It is a junction number, because it is equal to n+sod(n) for n = 26271103199 and 26271103208.

It is not an unprimeable number, because it can be changed into a prime (26271103241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607456 + ... + 649264.

It is an arithmetic number, because the mean of its divisors is an integer number (965183850).

Almost surely, 226271103240 is an apocalyptic number.

26271103240 is a gapful number since it is divisible by the number (20) 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 26271103240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30885883200).

26271103240 is an abundant number, since it is smaller than the sum of its proper divisors (35500663160).

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

26271103240 is a wasteful number, since it uses less digits than its factorization.

26271103240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42526 (or 42522 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 26271103240 in words is "twenty-six billion, two hundred seventy-one million, one hundred three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 683 920 1366 2732 3415 5464 6830 13660 15709 27320 31418 41809 62836 78545 83618 125672 157090 167236 209045 314180 334472 418090 628360 836180 961607 1672360 1923214 3846428 4808035 7692856 9616070 19232140 28555547 38464280 57111094 114222188 142777735 228444376 285555470 571110940 656777581 1142221880 1313555162 2627110324 3283887905 5254220648 6567775810 13135551620 26271103240