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26528043420 = 223251471100189
BaseRepresentation
bin11000101101001100…
…011101000110011100
32112110210012020022200
4120231030131012130
5413312134342140
620104204011500
71626250435314
oct305514350634
975423166280
1026528043420
111028343072a
125184230b90
132669c97018
1413d92aa444
15a53e0b030
hex62d31d19c

26528043420 has 72 divisors (see below), whose sum is σ = 80523905280. Its totient is φ = 7069265280.

The previous prime is 26528043419. The next prime is 26528043427. The reversal of 26528043420 is 2434082562.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26528043427) 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 23 ways as a sum of consecutive naturals, for example, 214686 + ... + 314874.

Almost surely, 226528043420 is an apocalyptic number.

26528043420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26528043420 is an abundant number, since it is smaller than the sum of its proper divisors (53995861860).

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

26528043420 is a wasteful number, since it uses less digits than its factorization.

26528043420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101675 (or 101670 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 26528043420 in words is "twenty-six billion, five hundred twenty-eight million, forty-three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1471 2942 4413 5884 7355 8826 13239 14710 17652 22065 26478 29420 44130 52956 66195 88260 100189 132390 200378 264780 300567 400756 500945 601134 901701 1001890 1202268 1502835 1803402 2003780 3005670 3606804 4508505 6011340 9017010 18034020 147378019 294756038 442134057 589512076 736890095 884268114 1326402171 1473780190 1768536228 2210670285 2652804342 2947560380 4421340570 5305608684 6632010855 8842681140 13264021710 26528043420